Merge pull request MicrosoftDocs#2997 from ShamanCoder/patch-1

Update how-to-create-and-use-weak-ptr-instances.md

Author: Colin Robertson

docs/cpp/how-to-create-and-use-weak-ptr-instances.md

@@ -77,7 +77,7 @@ Destroying Controller4
 Press any key
 ```
 
-As an experiment, modify the vector `others` to be a `vector<shared_ptr<Controller>>`, and then in the output, notice that no destructors are invoked when `TestRun` returns.
+As an experiment, modify the vector `others` to be a `vector<shared_ptr<Controller>>`, and then in the output, notice that no destructors are invoked when `RunTest` returns.
 
 ## See also