diff --git a/.github/actions/spell-check/expect.txt b/.github/actions/spell-check/expect.txt
index 5233aaeea6..d4b925f503 100644
--- a/.github/actions/spell-check/expect.txt
+++ b/.github/actions/spell-check/expect.txt
@@ -845,6 +845,7 @@ MOUSEINPUT
 MOVESIZEEND
 MOVESIZESTART
 MRM
+MRT
 mru
 msc
 mscorlib