docs: show subject_pattern empty

jef · web-flow · commit f38a1514d27f · 2025-07-20T21:29:36.000-07:00
diff --git a/README.md b/README.md
@@ -60,5 +60,5 @@ jobs:
 
 **Optional** A regular expression pattern to validate the subject of the pull request title.
 
-| Default value | ``  |
+| Default value | (empty)  |
 | ------------- | --- |
