diff --git a/src/data/roadmaps/typescript/content/105-type-guards/101-instanceof-operator.md b/src/data/roadmaps/typescript/content/105-type-guards/101-instanceof-operator.md
index e6e1c5f62..db63be9b9 100644
--- a/src/data/roadmaps/typescript/content/105-type-guards/101-instanceof-operator.md
+++ b/src/data/roadmaps/typescript/content/105-type-guards/101-instanceof-operator.md
@@ -1,4 +1,4 @@
-# instanceOf operator
+# instanceof operator
 
 The `instanceof` operator is a way to narrow down the type of a variable. It is used to check if an object is an instance of a class.