diff --git a/Test-Plan.md b/Test-Plan.md
index 1ce21e8..6e012ab 100644
--- a/Test-Plan.md
+++ b/Test-Plan.md
@@ -17,4 +17,5 @@
   * updates all windows
   * updates plugin themes
 * create 5+ splits of the same buffer and start typing in insert mode.  confirm no slowdown.
-* verify all commands work properly
\ No newline at end of file
+* verify all commands work properly
+* check that the error code for `vim +q` is 0
\ No newline at end of file