README: clearify meaning of the repository field (#404)

Author: gucio321

README.md

@@ -84,7 +84,7 @@ The following is an extended example with all available options.
     # - https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec
     file_pattern: '*.php src/*.js tests/*.js'
 
-    # Optional. Local file path to the repository.
+    # Optional. Relative file path under $GITHUB_WORKSPACE to the repository.
     # Defaults to the root of the repository.
     repository: .
 

action.yml

@@ -29,7 +29,7 @@ inputs:
     required: false
     default: '.'
   repository:
-    description: Local file path to the git repository. Defaults to the current directory (`.`)
+    description: Relative file path under $GITHUB_WORKSPACE to the git repository. Defaults to the current directory (`.`)
     required: false
     default: '.'
   commit_user_name: