diff --git a/docs/rules/prefer-exact-props.md b/docs/rules/prefer-exact-props.md
index c9878f7b7a..a24b101320 100644
--- a/docs/rules/prefer-exact-props.md
+++ b/docs/rules/prefer-exact-props.md
@@ -40,7 +40,7 @@ In this case, one could instead enforce only the exact props being used by using
 class Foo extends React.Component {
   props: {|
     bar: string
-  }|
+  |}
 
   render() {
     return <p>{this.props.bar}</p>;