diff --git a/Documentation/maintainer/configure-git.rst b/Documentation/maintainer/configure-git.rst
index 80ae5030a590..ec0ddfb9cdd3 100644
--- a/Documentation/maintainer/configure-git.rst
+++ b/Documentation/maintainer/configure-git.rst
@@ -56,7 +56,7 @@ by adding the following hook into your git:
 	$ cat >.git/hooks/applypatch-msg <<'EOF'
 	#!/bin/sh
 	. git-sh-setup
-	perl -pi -e 's|^Message-Id:\s*<?([^>]+)>?$|Link: https://lore.kernel.org/r/$1|g;' "$1"
+	perl -pi -e 's|^Message-I[dD]:\s*<?([^>]+)>?$|Link: https://lore.kernel.org/r/$1|g;' "$1"
 	test -x "$GIT_DIR/hooks/commit-msg" &&
 		exec "$GIT_DIR/hooks/commit-msg" ${1+"$@"}
 	: