diff --git a/notes-on-testing.md b/notes-on-testing.md
index 2d6dd10..de9d946 100644
--- a/notes-on-testing.md
+++ b/notes-on-testing.md
@@ -1,3 +1,5 @@
 - test Mailbox screens when user selects large font
 - test Mailbox screens on different screen types/sizes/ratios
+- according to the mattermost discussion of 13/14 dec, there may be variations of illustration size used on mailbox screens - normal, short and none... if that decision is made, then that will need to be tested too
 
+[Back to Testing](https://code.briarproject.org/briar/briar/-/wikis/testing)
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