More explicit and self-explanatory message_if_xl default parameter value

- New value based on what an AWS team suggest: https://github.com/awslabs/fhir-works-on-aws-authz-rbac/pull/24

.github/workflows/labeler.yml

@@ -16,5 +16,8 @@ jobs:
           m_max_size: '200'
           l_max_size: '450'
           fail_if_xl: 'true'
-          message_if_xl: 'This PR is sooooo big!! 😳'
+          message_if_xl: >
+            'This PR exceeds the recommended size of 1000 lines.
+            Please make sure you are NOT addressing multiple issues with one PR.
+            Note this PR might be rejected due to its size.’
           github_api_url: 'api.github.com' # It would be ideal to test this out pointing to a GitHub Enterprise server, but there are no testing environments available

README.md

@@ -40,7 +40,11 @@ jobs:
           m_max_size: '500'
           l_max_size: '1000'
           fail_if_xl: 'false'
-          message_if_xl: 'This PR is so big! Please, split it 😊'
+          message_if_xl: >
+            'This PR exceeds the recommended size of 1000 lines.
+            Please make sure you are NOT addressing multiple issues with one PR.
+            Note this PR might be rejected due to its size.’
+          github_api_url: 'api.github.com'
 ```
 
 > If you want, you can customize all `*_max_size` with the size that fits in your project.

action.yml

@@ -21,15 +21,18 @@ inputs:
     required: false
     default: '1000'
   fail_if_xl:
-    description: 'Fail if the PR is of xl size'
+    description: 'Report GitHub Workflow failure if the PR size is xl allowing to forbid PR merge'
     required: false
     default: 'false'
   message_if_xl:
-    description: 'Message to show if the PR is xl size'
+    description: 'Message to show if the PR size is xl'
     required: false
-    default: ''
+    default: >
+      'This PR exceeds the recommended size of 1000 lines.
+      Please make sure you are NOT addressing multiple issues with one PR.
+      Note this PR might be rejected due to its size.’
   github_api_url:
-    description: 'URI to the API of your Github Server, necessary for Github Enterprise customers'
+    description: 'URI to the API of your Github Server, only necessary for Github Enterprise customers'
     required: false
     default: 'api.github.com'
 runs: