diff --git a/test/lint/lint-spelling.ignore-words.txt b/test/lint/lint-spelling.ignore-words.txt
index 9a49f3227134e..f0415443dbf2c 100644
--- a/test/lint/lint-spelling.ignore-words.txt
+++ b/test/lint/lint-spelling.ignore-words.txt
@@ -1,6 +1,7 @@
 cas
 hights
 mor
+mut
 objext
 unselect
 useable