diff --git a/content/en-us/reference/engine/classes/TestService.yaml b/content/en-us/reference/engine/classes/TestService.yaml
index 5c862bae8..d058e0710 100644
--- a/content/en-us/reference/engine/classes/TestService.yaml
+++ b/content/en-us/reference/engine/classes/TestService.yaml
@@ -629,7 +629,7 @@ methods:
     capabilities: []
   - name: TestService:Message
     summary: |
-      Prints Test message, followed by text to the output, in blue text.
+      Prints "TestService: ", followed by text to the output, in blue text.
     description: |
       Prints <samp>Test message</samp>, followed by <var>text</var> to the
       output, in blue text.