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 52c3f6f8f..e6e1c5f62 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
@@ -1,6 +1,6 @@
 # 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, interface, or type.
+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.
 
 ```typescript
 class Bird {