diff --git a/typescript.md b/typescript.md
index d9cd501d65..7a4e6e7d81 100644
--- a/typescript.md
+++ b/typescript.md
@@ -244,7 +244,7 @@ type Point = { x: number; y: number };
 type P = keyof Point; // x | y
 ```
 
-## Conditinal Types
+## Conditional Types
 
 ```ts
 // SomeType extends OtherType ? TrueType : FalseType;