diff --git a/knowledge base/lint markdown files.md b/knowledge base/lint markdown files.md
index a5a351b..198af0e 100644
--- a/knowledge base/lint markdown files.md	
+++ b/knowledge base/lint markdown files.md	
@@ -1,3 +1,5 @@
 # Hot to lint markdown files
 
-See [[mdl]].
+See [mdl].
+
+[mdl]: mdl.md
diff --git a/knowledge base/mdl.md b/knowledge base/mdl.md
index 8ad5ef3..4d6d387 100644
--- a/knowledge base/mdl.md	
+++ b/knowledge base/mdl.md	
@@ -17,4 +17,4 @@ mdl path/to/dir/
 
 - [GitHub]
 
-[github]:
+[github]: https://github.com/markdownlint/markdownlint