diff --git a/tests/git-delete-merged-branches.bats b/tests/git-delete-merged-branches.bats
index c5b5426..6eda772 100644
--- a/tests/git-delete-merged-branches.bats
+++ b/tests/git-delete-merged-branches.bats
@@ -1,4 +1,4 @@
-# shellcheck shell=bash
+# shellcheck shell=bash
 
 source "$BATS_TEST_DIRNAME/test_util.sh"