diff --git a/pkg/healthcheck/commit.go b/pkg/healthcheck/commit.go
index 36f2be6..8b1d579 100644
--- a/pkg/healthcheck/commit.go
+++ b/pkg/healthcheck/commit.go
@@ -10,7 +10,11 @@ import (
 	"github.com/go-git/go-git/v5/plumbing/object"
 )
 
-// NonAsciiMsg checks for non-ASCII characters in the commit message.
+// nonAsciiMsg checks for non-ASCII characters in the commit message.
+// If the message starts with "Merge pull request", it skips the non-ASCII characters check.
+// Otherwise, it iterates over each character in the message and checks if it is a non-ASCII character.
+// If a non-ASCII character is found, it returns an error indicating not to use non-ASCII characters in commit messages.
+// Otherwise, it returns nil indicating that the commit message is valid.
 // It skips the non-ASCII characters check for lines starting with specific keywords like "Co-authored-by", "Reviewed-by", and "Co-committed-by".
 func NonAsciiMsg(root string) error {
 	repo, err := git.PlainOpen(root)