diff --git a/doc/spec.md b/doc/spec.md
index ed99088443f57..c6dd8cb4d065f 100644
--- a/doc/spec.md
+++ b/doc/spec.md
@@ -286,7 +286,7 @@ function f(s) {
 }
 ```
 
-In the JavaScript output, all type annotations have been erased. In general, TypeScript erases all type information before emiting JavaScript.
+In the JavaScript output, all type annotations have been erased. In general, TypeScript erases all type information before emitting JavaScript.
 
 ## <a name="1.1"/>1.1 Ambient Declarations