diff --git a/included_part.iuml b/included_part.iuml
index 1898eabeb7e3c69127e0c76e5e5d396760b2cc2c..1a234e0adaf622543e7885bbc807adcc1efcf959 100644
--- a/included_part.iuml
+++ b/included_part.iuml
@@ -1,5 +1,7 @@
 @startuml
 
+'Check also https://gitlab.com/schurzi/playground/-/blob/main/plantuml_include/included_part.iuml
+
 interface List
 List : int size()
 List : void clear()