diff --git a/topics/basics/testing_plugins/testing_highlighting.md b/topics/basics/testing_plugins/testing_highlighting.md
index baef7087c..8e9e3e9c2 100644
--- a/topics/basics/testing_plugins/testing_highlighting.md
+++ b/topics/basics/testing_plugins/testing_highlighting.md
@@ -61,3 +61,6 @@ The tag can also have the following optional attributes:
 ```xml
 <warning>warning_highlight<info>warning-and_info_highlight</warning>info_highlight</info>
 ```
+
+**Example**:
+[Custom Language Support Tutorial: Testing Annotator](annotator_test.md)