diff --git a/.github/workflows/CiWorkflow.yml b/.github/workflows/CiWorkflow.yml
index 1916748..69e3f5b 100644
--- a/.github/workflows/CiWorkflow.yml
+++ b/.github/workflows/CiWorkflow.yml
@@ -46,7 +46,7 @@ jobs:
       - name: Markdown Linting
         uses: avto-dev/markdown-lint@v1.5.0
         with:
-          config: .markdownlint.yml
+          config: .markdownlint.yaml
           args: "**/*.md"
 
       # Run the tests that require the rust tools, but not a specific OS.
diff --git a/.markdownlint.yaml b/.markdownlint.yaml
index 0f0325d..e31da59 100644
--- a/.markdownlint.yaml
+++ b/.markdownlint.yaml
@@ -1,4 +1,4 @@
-# @file .markdownlint.yml
+# @file .markdownlint.yaml
 #
 # Patina markdownlint configuration file
 #
diff --git a/.sync/markdownlint/.markdownlint.yaml b/.sync/markdownlint/.markdownlint.yaml
index 0f0325d..e31da59 100644
--- a/.sync/markdownlint/.markdownlint.yaml
+++ b/.sync/markdownlint/.markdownlint.yaml
@@ -1,4 +1,4 @@
-# @file .markdownlint.yml
+# @file .markdownlint.yaml
 #
 # Patina markdownlint configuration file
 #