diff --git a/mailbox-test-coverage.md b/mailbox-test-coverage.md
index b5d8ecc..a99d8d1 100644
--- a/mailbox-test-coverage.md
+++ b/mailbox-test-coverage.md
@@ -209,7 +209,7 @@
 
 | Mailbox ID | Title | Status | QA label | Test Scenario | Test Executed | Test Result | Miss info |
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
-| ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
+| https://code.briarproject.org/briar/briar-mailbox/-/issues/141 | Move fragment navigation to activity | ------ | ------ | ------ | ------ | ------ | ------ |
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |