diff --git a/.github/vale/config/vocabularies/Backstage/accept.txt b/.github/vale/config/vocabularies/Backstage/accept.txt
index c38a115fa3..f4afe605f1 100644
--- a/.github/vale/config/vocabularies/Backstage/accept.txt
+++ b/.github/vale/config/vocabularies/Backstage/accept.txt
@@ -236,6 +236,7 @@ Monorepo
 monorepos
 msgraph
 msw
+mustComment
 mutex
 mutexes
 mysql