diff --git a/.github/linters/.markdown-lint.yml b/.github/linters/.markdown-lint.yml
index 9ce854648d..1bad35ee25 100644
--- a/.github/linters/.markdown-lint.yml
+++ b/.github/linters/.markdown-lint.yml
@@ -16,6 +16,7 @@
 # under the License.
 
 ---
+# https://github.com/davidanson/markdownlint#rules--aliases
 # MD013/line-length Line length
 MD013:
   line_length: 180