diff --git a/testing/test_plan.md b/testing/test_plan.md
index 41afc32..840e1f9 100644
--- a/testing/test_plan.md
+++ b/testing/test_plan.md
@@ -285,7 +285,7 @@ Prerequisites:
 Steps:
 
 1. Click `Sign in` button
-   - Expected results: You are led through the OAuth flow, you return to repository explorer page, and button says `Sign Out`
+   - Expected results: You are led through the OAuth flow via a popup window, you return to repository explorer page, and button says `Sign Out`.
 
 #### Test Open button