fix quick help

Author: justin808

.github/workflows/review-app-help.yml

@@ -37,9 +37,9 @@ jobs:
                 'Remove the review app when done',
                 '',
                 '### `/help`',
-                'Show detailed instructions, environment setup, and configuration options.'
+                'Show detailed instructions, environment setup, and configuration options.',
                 '',
-                '---',
+                '---'
               ].join('\n');
               
               await github.rest.issues.createComment({