diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 206b5dcc72..799ba318ce 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -24698,6 +24698,7 @@ mustash->mustache, moustache,
 mustator->mutator
 muste->must
 mutablity->mutability
+mutbal->mutable
 mutbale->mutable
 mutch->much
 mutches->matches