diff --git a/basicswap/static/sequence_diagrams/ads.rev.offerer.xu.min.svg b/basicswap/static/sequence_diagrams/ads.rev.offerer.xu.min.svg
index f1b4199..7178670 100644
--- a/basicswap/static/sequence_diagrams/ads.rev.offerer.xu.min.svg
+++ b/basicswap/static/sequence_diagrams/ads.rev.offerer.xu.min.svg
@@ -1,4 +1,4 @@
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@@ -35,10 +35,10 @@
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@@ -97,39 +97,39 @@
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@@ -149,15 +149,15 @@
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@@ -173,19 +173,19 @@
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@@ -229,7 +229,11 @@
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@@ -268,85 +272,85 @@
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-            <text x="481" y="1329.4" class="directional-text return-text"><tspan>script-coin-lock-pre-refund-tx</tspan></text>
-            <path marker-end="url(#mscgenjsreplacememethod-#0000FF)" d="M689 1489.07c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:#00f"/>
-            <path d="M692 1456.82h40.91v14H692z" class="label-text-background"/>
-            <text x="692" y="1467.82" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
-            <path d="M692 1472.82h124.06v14H692z" class="label-text-background"/>
-            <text x="692" y="1483.82" class="directional-text method-text anchor-start"><tspan>pre-refund tx to confirm</tspan></text>
-            <path marker-end="url(#mscgenjsreplacemecallback-#0000FF)" d="M689 1553.2H273" class="arc directional callback" style="stroke:#00f"/>
-            <path d="M367.62 1537.45h226.77v14H367.62z" class="label-text-background"/>
-            <text x="481" y="1548.45" class="directional-text callback-text"><tspan>Sends script-coin-lock-pre-refund-spend-tx</tspan></text>
-            <path marker-end="url(#mscgenjsreplacemecallback-#008800)" d="M273 1637.2h208" class="arc directional return" style="stroke:#080"/>
-            <path d="M356.66 1621.45h40.69v14h-40.69z" class="label-text-background"/>
-            <text x="377" y="1632.45" class="directional-text return-text"><tspan>Detects</tspan></text>
-            <path d="M282.3 1639.45h189.41v14H282.3z" class="label-text-background"/>
-            <text x="377" y="1650.45" class="directional-text return-text"><tspan>script-coin-lock-pre-refund-spend-tx</tspan></text>
-            <path marker-end="url(#mscgenjsreplacemecallback-#FF0000)" d="M481 1675.2H273" class="arc directional callback" style="stroke:red"/>
-            <path d="M359.98 1659.45h34.03v14h-34.03z" class="label-text-background"/>
-            <text x="377" y="1670.45" class="directional-text callback-text"><tspan>Sends</tspan></text>
-            <path d="M297.65 1677.45h158.7v14h-158.7z" class="label-text-background"/>
-            <text x="377" y="1688.45" class="directional-text callback-text"><tspan>scriptless-coin-lock-recover-tx</tspan></text>
-            <path d="M-37 1789.2H999" class="inline_expression_divider"/>
-            <path d="M396.41 1781.95h169.17v14H396.41z" class="label-text-background"/>
-            <text x="481" y="1792.95" class="empty-text comment-row-text"><tspan>offerer swipes script coin lock tx</tspan></text>
-            <path marker-end="url(#mscgenjsreplacememethod-#FF0000)" d="M481 1868.12c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:red"/>
-            <path d="M484 1835.87h40.91v14H484z" class="label-text-background"/>
-            <text x="484" y="1846.87" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
-            <path d="M484 1851.87h142.39v14H484z" class="label-text-background"/>
-            <text x="484" y="1862.87" class="directional-text method-text anchor-start"><tspan>pre-refund tx lock to expire</tspan></text>
-            <path marker-end="url(#mscgenjsreplacemecallback-#FF0000)" d="M481 1924.25H273" class="arc directional callback" style="stroke:red"/>
-            <path d="M359.98 1908.5h34.03v14h-34.03z" class="label-text-background"/>
-            <text x="377" y="1919.5" class="directional-text callback-text"><tspan>Sends</tspan></text>
-            <path d="M283.3 1926.5h187.39v14H283.3z" class="label-text-background"/>
-            <text x="377" y="1937.5" class="directional-text callback-text"><tspan>script-coin-lock-pre-refund-swipe-tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#FF0000)" d="M481 653.92c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:red"/>
+            <path d="M484 605.67h40.91v14H484z" class="label-text-background"/>
+            <text x="484" y="616.67" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
+            <path d="M484 621.67h107.01v14H484z" class="label-text-background"/>
+            <text x="484" y="632.67" class="directional-text method-text anchor-start"><tspan>script-coin-lock-tx to</tspan></text>
+            <path d="M484 637.67h39.34v14H484z" class="label-text-background"/>
+            <text x="484" y="648.67" class="directional-text method-text anchor-start"><tspan>confirm</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#FF0000)" d="M481 756.05H273" class="arc directional callback" style="stroke:red"/>
+            <path d="M304.97 740.3h144.06v14H304.97z" class="label-text-background"/>
+            <text x="377" y="751.3" class="directional-text callback-text"><tspan>Sends noscript-coin-lock-tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#FF0000)" d="M481 804.97c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:red"/>
+            <path d="M484 756.72h40.91v14H484z" class="label-text-background"/>
+            <text x="484" y="767.72" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
+            <path d="M484 772.72h120.36v14H484z" class="label-text-background"/>
+            <text x="484" y="783.72" class="directional-text method-text anchor-start"><tspan>noscript-coin-lock-tx to</tspan></text>
+            <path d="M484 788.72h39.34v14H484z" class="label-text-background"/>
+            <text x="484" y="799.72" class="directional-text method-text anchor-start"><tspan>confirm</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#0000FF)" d="M689 804.97c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:#00f"/>
+            <path d="M692 756.72h40.91v14H692z" class="label-text-background"/>
+            <text x="692" y="767.72" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
+            <path d="M692 772.72h120.36v14H692z" class="label-text-background"/>
+            <text x="692" y="783.72" class="directional-text method-text anchor-start"><tspan>noscript-coin-lock-tx to</tspan></text>
+            <path d="M692 788.72h39.34v14H692z" class="label-text-background"/>
+            <text x="692" y="799.72" class="directional-text method-text anchor-start"><tspan>confirm</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#0000FF)" d="M689 969.1H481" class="arc directional method" style="stroke:#00f"/>
+            <path d="M519.64 953.35h130.72v14H519.64z" class="label-text-background"/>
+            <text x="585" y="964.35" class="directional-text method-text"><tspan>Sends script-coin-lock-tx</tspan></text>
+            <path d="M539.3 971.35h91.71v14H539.3z" class="label-text-background"/>
+            <text x="585" y="982.35" class="directional-text method-text"><tspan>release message</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#FF0000)" d="M481 1069.1H273" class="arc directional callback" style="stroke:red"/>
+            <path d="M293.3 1053.35h167.41v14H293.3z" class="label-text-background"/>
+            <text x="377" y="1064.35" class="directional-text callback-text"><tspan>Sends script-coin-lock-spend-tx</tspan></text>
+            <path d="M-41 1183.1h1044" class="inline_expression_divider"/>
+            <path d="M459.98 1175.85h42.03v14h-42.03z" class="label-text-background"/>
+            <text x="481" y="1186.85" class="empty-text comment-row-text"><tspan>fail path</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#FF0000)" d="M481 1270.02c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:red"/>
+            <path d="M484 1221.77h40.91v14H484z" class="label-text-background"/>
+            <text x="484" y="1232.77" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
+            <path d="M484 1237.77h131.69v14H484z" class="label-text-background"/>
+            <text x="484" y="1248.77" class="directional-text method-text anchor-start"><tspan>script-coin-lock-tx lock to</tspan></text>
+            <path d="M484 1253.77h33.01v14H484z" class="label-text-background"/>
+            <text x="484" y="1264.77" class="directional-text method-text anchor-start"><tspan>expire</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#0000FF)" d="M689 1334.15H273" class="arc directional callback" style="stroke:#00f"/>
+            <path d="M385.96 1318.4h190.08v14H385.96z" class="label-text-background"/>
+            <text x="481" y="1329.4" class="directional-text callback-text"><tspan>Sends script-coin-lock-pre-refund-tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#008800)" d="M273 1372.15h416" class="arc directional return" style="stroke:#080"/>
+            <path d="M404.64 1356.4h152.72v14H404.64z" class="label-text-background"/>
+            <text x="481" y="1367.4" class="directional-text return-text"><tspan>script-coin-lock-pre-refund-tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#0000FF)" d="M689 1527.07c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:#00f"/>
+            <path d="M692 1494.82h40.91v14H692z" class="label-text-background"/>
+            <text x="692" y="1505.82" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
+            <path d="M692 1510.82h124.06v14H692z" class="label-text-background"/>
+            <text x="692" y="1521.82" class="directional-text method-text anchor-start"><tspan>pre-refund tx to confirm</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#0000FF)" d="M689 1591.2H273" class="arc directional callback" style="stroke:#00f"/>
+            <path d="M367.62 1575.45h226.77v14H367.62z" class="label-text-background"/>
+            <text x="481" y="1586.45" class="directional-text callback-text"><tspan>Sends script-coin-lock-pre-refund-spend-tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#008800)" d="M273 1675.2h208" class="arc directional return" style="stroke:#080"/>
+            <path d="M356.66 1659.45h40.69v14h-40.69z" class="label-text-background"/>
+            <text x="377" y="1670.45" class="directional-text return-text"><tspan>Detects</tspan></text>
+            <path d="M282.3 1677.45h189.41v14H282.3z" class="label-text-background"/>
+            <text x="377" y="1688.45" class="directional-text return-text"><tspan>script-coin-lock-pre-refund-spend-tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#FF0000)" d="M481 1713.2H273" class="arc directional callback" style="stroke:red"/>
+            <path d="M359.98 1697.45h34.03v14h-34.03z" class="label-text-background"/>
+            <text x="377" y="1708.45" class="directional-text callback-text"><tspan>Sends</tspan></text>
+            <path d="M297.65 1715.45h158.7v14h-158.7z" class="label-text-background"/>
+            <text x="377" y="1726.45" class="directional-text callback-text"><tspan>scriptless-coin-lock-recover-tx</tspan></text>
+            <path d="M-37 1827.2H999" class="inline_expression_divider"/>
+            <path d="M396.41 1819.95h169.17v14H396.41z" class="label-text-background"/>
+            <text x="481" y="1830.95" class="empty-text comment-row-text"><tspan>offerer swipes script coin lock tx</tspan></text>
+            <path marker-end="url(#mscgenjsreplacememethod-#FF0000)" d="M481 1906.12c104 .1 104 22.8 0 22.8" class="arc directional method" style="stroke:red"/>
+            <path d="M484 1873.87h40.91v14H484z" class="label-text-background"/>
+            <text x="484" y="1884.87" class="directional-text method-text anchor-start"><tspan>Wait for</tspan></text>
+            <path d="M484 1889.87h142.39v14H484z" class="label-text-background"/>
+            <text x="484" y="1900.87" class="directional-text method-text anchor-start"><tspan>pre-refund tx lock to expire</tspan></text>
+            <path marker-end="url(#mscgenjsreplacemecallback-#FF0000)" d="M481 1962.25H273" class="arc directional callback" style="stroke:red"/>
+            <path d="M359.98 1946.5h34.03v14h-34.03z" class="label-text-background"/>
+            <text x="377" y="1957.5" class="directional-text callback-text"><tspan>Sends</tspan></text>
+            <path d="M283.3 1964.5h187.39v14H283.3z" class="label-text-background"/>
+            <text x="377" y="1975.5" class="directional-text callback-text"><tspan>script-coin-lock-pre-refund-swipe-tx</tspan></text>
         </g>
         <g id="mscgenjsreplaceme_notes">
             <path d="m383 209 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
@@ -371,50 +375,50 @@
             <path d="M799 474h395v9h9m-9-9 9 9v25H799v-34z" class="box note" style="fill:#ffc"/>
             <text x="1001" y="486.75" class="box-text note-text"><tspan>The XmrBidLockSpendTxMessage contains the script-coin-lock-tx and</tspan></text>
             <text x="1001" y="502.75" class="box-text note-text"><tspan>proof the bidder can sign it.</tspan></text>
-            <path d="m383 529 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="532.75" class="box-text abox-text"><tspan>Bid Script coin spend tx valid</tspan></text>
             <path d="m383 567 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="562.75" class="box-text abox-text"><tspan>Exchanged script lock spend tx</tspan></text>
-            <text x="481" y="578.75" class="box-text abox-text"><tspan>msg</tspan></text>
-            <path d="m383 680.05 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="683.8" class="box-text abox-text"><tspan>Bid Script coin locked</tspan></text>
-            <path d="m383 831.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="834.85" class="box-text abox-text"><tspan>Bid Scriptless coin locked</tspan></text>
-            <path d="M-40 869.1h98.39v11l-7 7H-40" class="box inline_expression_label"/>
-            <text x="-38" y="882.35" class="inline_expression-text alt-text anchor-start"><tspan>alt: success path</tspan></text>
-            <path d="M799 890.1h395v9h9m-9-9 9 9v73H799v-82z" class="box note" style="fill:#ffc"/>
-            <text x="1001" y="902.85" class="box-text note-text"><tspan>The XmrBidLockReleaseMessage contains the bidder&apos;s OTVES for it.    </tspan></text>
-            <text x="1001" y="918.85" class="box-text note-text"><tspan>                        The offerer decodes the bidder&apos;s signature</tspan></text>
-            <text x="1001" y="934.85" class="box-text note-text"><tspan>from the OTVES.                             When the bidder has the</tspan></text>
-            <text x="1001" y="950.85" class="box-text note-text"><tspan>plaintext signature, they can decode the offerer&apos;s noscript-coin-lock-tx</tspan></text>
-            <text x="1001" y="966.85" class="box-text note-text"><tspan>signature.</tspan></text>
-            <path d="m383 993.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="996.85" class="box-text abox-text"><tspan>Script coin lock released</tspan></text>
-            <path d="m383 1069.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="1072.85" class="box-text abox-text"><tspan>Script tx redeemed</tspan></text>
+            <text x="481" y="570.75" class="box-text abox-text"><tspan>Bid Script coin spend tx valid</tspan></text>
+            <path d="m383 605 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="600.75" class="box-text abox-text"><tspan>Exchanged script lock spend tx</tspan></text>
+            <text x="481" y="616.75" class="box-text abox-text"><tspan>msg</tspan></text>
+            <path d="m383 718.05 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="721.8" class="box-text abox-text"><tspan>Bid Script coin locked</tspan></text>
+            <path d="m383 869.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="872.85" class="box-text abox-text"><tspan>Bid Scriptless coin locked</tspan></text>
+            <path d="M-40 907.1h98.39v11l-7 7H-40" class="box inline_expression_label"/>
+            <text x="-38" y="920.35" class="inline_expression-text alt-text anchor-start"><tspan>alt: success path</tspan></text>
+            <path d="M799 928.1h395v9h9m-9-9 9 9v73H799v-82z" class="box note" style="fill:#ffc"/>
+            <text x="1001" y="940.85" class="box-text note-text"><tspan>The XmrBidLockReleaseMessage contains the bidder&apos;s OTVES for it.    </tspan></text>
+            <text x="1001" y="956.85" class="box-text note-text"><tspan>                        The offerer decodes the bidder&apos;s signature</tspan></text>
+            <text x="1001" y="972.85" class="box-text note-text"><tspan>from the OTVES.                             When the bidder has the</tspan></text>
+            <text x="1001" y="988.85" class="box-text note-text"><tspan>plaintext signature, they can decode the offerer&apos;s noscript-coin-lock-tx</tspan></text>
+            <text x="1001" y="1004.85" class="box-text note-text"><tspan>signature.</tspan></text>
+            <path d="m383 1031.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="1034.85" class="box-text abox-text"><tspan>Script coin lock released</tspan></text>
             <path d="m383 1107.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="1110.85" class="box-text abox-text"><tspan>Bid Completed</tspan></text>
-            <path d="M799 1279.15h395v9h9m-9-9 9 9v25H799v-34z" class="box note" style="fill:#ffc"/>
-            <text x="1001" y="1299.9" class="box-text note-text"><tspan>tx can be sent by either party.</tspan></text>
-            <path d="m383 1372.15 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="1367.9" class="box-text abox-text"><tspan>Bid Script pre-refund tx in</tspan></text>
-            <text x="481" y="1383.9" class="box-text abox-text"><tspan>chain</tspan></text>
-            <path d="M-36 1410.15h199.77v11l-7 7H-36" class="box inline_expression_label"/>
-            <text x="-34" y="1423.4" class="inline_expression-text alt-text anchor-start"><tspan>alt: bidder refunds script coin lock tx</tspan></text>
-            <path d="M799 1528.2h395v9h9m-9-9 9 9v41H799v-50z" class="box note" style="fill:#ffc"/>
-            <text x="1001" y="1540.95" class="box-text note-text"><tspan>Refunds the script lock tx, with the bidder&apos;s cleartext signature</tspan></text>
-            <text x="1001" y="1556.95" class="box-text note-text"><tspan>the offerer can refund the noscript lock tx.                        </tspan></text>
-            <text x="1001" y="1572.95" class="box-text note-text"><tspan>Once the lock expires the pre-refund tx can be spent by the offerer.</tspan></text>
-            <path d="m591 1599.2 3-17h190l3 17-3 17H594z" class="box abox" style="stroke:#00f"/>
-            <text x="689" y="1602.95" class="box-text abox-text"><tspan>Bid Failed, refunded</tspan></text>
-            <path d="M799 1620.2h395v9h9m-9-9 9 9v25H799v-34z" class="box note" style="fill:#ffc"/>
-            <text x="1001" y="1640.95" class="box-text note-text"><tspan>offerer recovers the bidder&apos;s scriptless chain key-shard.</tspan></text>
-            <path d="m383 1713.2 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="1716.95" class="box-text abox-text"><tspan>Bid Scriptless tx recovered</tspan></text>
+            <text x="481" y="1110.85" class="box-text abox-text"><tspan>Script tx redeemed</tspan></text>
+            <path d="m383 1145.1 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="1148.85" class="box-text abox-text"><tspan>Bid Completed</tspan></text>
+            <path d="M799 1317.15h395v9h9m-9-9 9 9v25H799v-34z" class="box note" style="fill:#ffc"/>
+            <text x="1001" y="1337.9" class="box-text note-text"><tspan>tx can be sent by either party.</tspan></text>
+            <path d="m383 1410.15 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="1405.9" class="box-text abox-text"><tspan>Bid Script pre-refund tx in</tspan></text>
+            <text x="481" y="1421.9" class="box-text abox-text"><tspan>chain</tspan></text>
+            <path d="M-36 1448.15h199.77v11l-7 7H-36" class="box inline_expression_label"/>
+            <text x="-34" y="1461.4" class="inline_expression-text alt-text anchor-start"><tspan>alt: bidder refunds script coin lock tx</tspan></text>
+            <path d="M799 1566.2h395v9h9m-9-9 9 9v41H799v-50z" class="box note" style="fill:#ffc"/>
+            <text x="1001" y="1578.95" class="box-text note-text"><tspan>Refunds the script lock tx, with the bidder&apos;s cleartext signature</tspan></text>
+            <text x="1001" y="1594.95" class="box-text note-text"><tspan>the offerer can refund the noscript lock tx.                        </tspan></text>
+            <text x="1001" y="1610.95" class="box-text note-text"><tspan>Once the lock expires the pre-refund tx can be spent by the offerer.</tspan></text>
+            <path d="m591 1637.2 3-17h190l3 17-3 17H594z" class="box abox" style="stroke:#00f"/>
+            <text x="689" y="1640.95" class="box-text abox-text"><tspan>Bid Failed, refunded</tspan></text>
+            <path d="M799 1658.2h395v9h9m-9-9 9 9v25H799v-34z" class="box note" style="fill:#ffc"/>
+            <text x="1001" y="1678.95" class="box-text note-text"><tspan>offerer recovers the bidder&apos;s scriptless chain key-shard.</tspan></text>
             <path d="m383 1751.2 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="1754.95" class="box-text abox-text"><tspan>Bid Failed, refunded</tspan></text>
-            <path d="m383 1962.25 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
-            <text x="481" y="1966" class="box-text abox-text"><tspan>Bid Failed, swiped</tspan></text>
+            <text x="481" y="1754.95" class="box-text abox-text"><tspan>Bid Scriptless tx recovered</tspan></text>
+            <path d="m383 1789.2 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="1792.95" class="box-text abox-text"><tspan>Bid Failed, refunded</tspan></text>
+            <path d="m383 2000.25 3-17h190l3 17-3 17H386z" class="box abox" style="stroke:red"/>
+            <text x="481" y="2004" class="box-text abox-text"><tspan>Bid Failed, swiped</tspan></text>
         </g>
     </g>
 </svg>
diff --git a/doc/protocols/sequence_diagrams/ads.rev.offerer.xu b/doc/protocols/sequence_diagrams/ads.rev.offerer.xu
index 7c919de..10fb305 100644
--- a/doc/protocols/sequence_diagrams/ads.rev.offerer.xu
+++ b/doc/protocols/sequence_diagrams/ads.rev.offerer.xu
@@ -31,7 +31,7 @@ xu {
             C note C2
                 [label="The XmrBidLockSpendTxMessage contains the script-coin-lock-tx and proof the bidder can sign it.",
                  textbgcolor="#FFFFCC"];
-    B =>> N [label="Sends script-coin-lock-tx"],
+    B =>> N [label="Sends script-coin-lock-tx"];
     O abox O [label="Bid Script coin spend tx valid"];
     O abox O [label="Exchanged script lock spend tx msg"];
     O => O [label="Wait for script-coin-lock-tx to confirm"];