diff --git a/articles/pascal.md b/articles/pascal.md
index f4db1a5..f47d31e 100644
--- a/articles/pascal.md
+++ b/articles/pascal.md
@@ -40,7 +40,7 @@ begin
     Exit(n * n);
 end;
 ```
-## Identifiers
+### Identifiers
 Pascal is case-insensitive, so `WriteLn`, `writeLn`, `writeln` and `wRiTeLn` are the same
 identifiers.