diff --git a/.github/workflows/validate_markdown.yml b/.github/workflows/validate_markdown.yml
index 100831a..82d5f1a 100644
--- a/.github/workflows/validate_markdown.yml
+++ b/.github/workflows/validate_markdown.yml
@@ -14,21 +14,21 @@ jobs:
       uses: actions/checkout@v4.1.0
 
     # https://github.com/marketplace/actions/markdownlint-cli2-action
-    #- name: Identify changed files
-    #  uses: tj-actions/changed-files@v41
-    #  id: changed-files
-    #  with:
-    #    files: '**/*.md'
-    #    separator: ","
+    - name: Identify changed files
+      uses: tj-actions/changed-files@v41
+      id: changed-files
+      with:
+        files: '**/*.md'
+        separator: ","
+    # https://github.com/marketplace/actions/markdownlint-cli2-action
     - name: Markdown Lint
       uses: DavidAnson/markdownlint-cli2-action@v14
-    #  if: steps.changed-files.outputs.any_changed == 'true'
+      if: steps.changed-files.outputs.any_changed == 'true'
       with:
-    #    globs: ${{ steps.changed-files.outputs.all_changed_files }}
-    #    separator: ","
+        globs: ${{ steps.changed-files.outputs.all_changed_files }}
+        separator: ","
         config: '.rules/.markdownlint.jsonc'
-        files: '**/*.md'
-        #fix: true
+        fix: true
 
   markdown-links:
     name: Check links