diff --git a/lint-release-notes/action.yaml b/lint-release-notes/action.yaml
index 7207f74..3727192 100644
--- a/lint-release-notes/action.yaml
+++ b/lint-release-notes/action.yaml
@@ -64,6 +64,7 @@ runs:
         comment_id: ${{ steps.fc-release-notes.outputs.comment-id }}
         token: ${{ inputs.github-token }}
     - name: Comment release notes preview
+      id: release-notes-preview-comment
       uses: peter-evans/create-or-update-comment@v1
       if: steps.release-notes-preview.outputs.new-release-notes != '' && steps.find-pull-request.outputs.number != ''
       with:
@@ -111,7 +112,8 @@ runs:
       run: |
         set -e
         breaking_changes_file_missing=false
-        breaking_changes_file_default=false
+        breaking_changes_file_default_content=false
+        breaking_file_contents = ""
         if [ "${{ steps.release-notes-preview.outputs.new-release-published }}" = "true" ]; then
           echo "new release published"
           if [ "${{ steps.release-notes-preview.outputs.new-release-type }}" = "major" ]; then
@@ -122,10 +124,11 @@ runs:
               echo "breaking change doc $file_path exists."
               expected_contents="Elaborate and add context to help the developer understand the changes"
 
+              breaking_file_contents=$(cat "$file_path")
+
               if grep -Fq "$expected_contents" "$file_path"; then
-                echo "The file $file_path contains the expected contents."
-              else
-                echo "The file $file_path does not contain the expected contents."
+                echo "The file $file_path contains the default contents."
+                breaking_changes_file_default_content=false
               fi
             else
               echo "breaking change doc $file_path does not exist."
@@ -136,6 +139,7 @@ runs:
         echo "Output: required=${breaking_changes_file_missing}"
         echo "required=${breaking_changes_file_missing}" >> $GITHUB_OUTPUT
         echo "default_content=${breaking_changes_file_default_content}" >> $GITHUB_OUTPUT
+        echo "breaking_file_contents=${breaking_file_contents}" >> $GITHUB_OUTPUT
     - name: Comment missing breaking changes doc
       uses: peter-evans/create-or-update-comment@v1
       if: steps.breaking-changes-file.outputs.required == 'true'
@@ -184,6 +188,15 @@ runs:
           ---
           <!-- breaking changes comment -->
 
+    - name: Append breaking changes doc to release notes preview
+      uses: peter-evans/create-or-update-comment@v1
+      if: steps.breaking-changes-file.outputs.default_content != ''
+      with:
+        comment-id: ${{ steps.release-notes-preview-comment.outputs.comment-id }}
+        body: |
+          ## Breaking changes documentation
+          ${{ steps.breaking-changes-file.outputs.breaking_file_contents }}
+
     - name: Fail if we are checking for the breaking changes doc and it is missing
       if: steps.breaking-changes-file.outputs.required == 'true'
       shell: bash