diff --git a/aio/content/guide/aot-compiler.md b/aio/content/guide/aot-compiler.md
index 456f6b9b01..bb522910f2 100644
--- a/aio/content/guide/aot-compiler.md
+++ b/aio/content/guide/aot-compiler.md
@@ -204,7 +204,7 @@ JavaScript with [JsDoc](http://usejsdoc.org/) comments needed by the
 ### *annotationsAs*
 
 Use this option to modify how the Angular specific annotations are emitted to improve tree-shaking. Non-Angular
-annotations and decorators are unnaffected. Default is `static fields`.
+annotations and decorators are unaffected. Default is `static fields`.
 
 value           | description
 ----------------|-------------------------------------------------------------