diff --git a/pages/Type Inference.md b/pages/Type Inference.md
index bbfc88b4d..e94438bf1 100644
--- a/pages/Type Inference.md	
+++ b/pages/Type Inference.md	
@@ -50,7 +50,7 @@ This is known as "contextual typing". Contextual typing occurs when the type of
 
 ```ts
 window.onmousedown = function(mouseEvent) {
-    console.log(mouseEvent.button);  //<- Error
+    console.log(mouseEvent.clickTime);  //<- Error
 };
 ```
 
@@ -63,7 +63,7 @@ Had we written the above example:
 
 ```ts
 window.onmousedown = function(mouseEvent: any) {
-    console.log(mouseEvent.button);  //<- Now, no error is given
+    console.log(mouseEvent.clickTime);  //<- Now, no error is given
 };
 ```