diff --git a/doc/en/plugins.txt b/doc/en/plugins.txt
index a6c57a430..a5ce8776d 100644
--- a/doc/en/plugins.txt
+++ b/doc/en/plugins.txt
@@ -29,7 +29,7 @@ and content of files::
             # called for running each test in 'a' directory
             print ("setting up", item)
 
-    a/test_in_subdir.py:
+    a/test_sub.py:
         def test_sub():
             pass