diff --git a/docs/release-source/release/mocks.md b/docs/release-source/release/mocks.md
index 8940362e8..154213733 100644
--- a/docs/release-source/release/mocks.md
+++ b/docs/release-source/release/mocks.md
@@ -148,7 +148,7 @@ An `expectation` instance only holds onto a single set of arguments specified wi
 
 #### `expectation.on(obj);`
 
-Expect the method to be called with `obj` as `this`."}
+Expect the method to be called with `obj` as `this`.
 
 #### `expectation.verify();`