diff --git a/notification-mailbox-unreachable.md b/notification-mailbox-unreachable.md
index 4ca1d4b..8a77a1d 100644
--- a/notification-mailbox-unreachable.md
+++ b/notification-mailbox-unreachable.md
@@ -6,3 +6,4 @@ This can happen if the mailbox device is offline, or its battery is flat, or for
 
 Tested OK, build c855967d56c53d2c5e0ba5d28b6357d521c90e61
 
+[Back to Testing](https://code.briarproject.org/briar/briar/-/wikis/testing)
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