diff --git a/exceptions/MDConsoleInvalidHeadingNumber.php b/exceptions/MDConsoleInvalidHeadingNumber.php
index 3a8613e..5699674 100644
--- a/exceptions/MDConsoleInvalidHeadingNumber.php
+++ b/exceptions/MDConsoleInvalidHeadingNumber.php
@@ -12,8 +12,7 @@ final class MDConsoleInvalidHeadingNumber extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Invalid heading level';
-        return $errorMsg;
+        return 'Invalid heading level';
 
     }
 }