diff --git a/capellambse/model/__init__.py b/capellambse/model/__init__.py
index 36c6c85b3..cce345f46 100644
--- a/capellambse/model/__init__.py
+++ b/capellambse/model/__init__.py
@@ -512,7 +512,7 @@ def update_diagram_cache(
             list of dictionaries, each representing a diagram in the
             model. The dictionaries come with the keys
 
-            - uuid: The UUID of the diagram
+            - uuid: The unique ID of the diagram
             - name: Name of the diagram as it has been set in Capella
             - type: The diagram type as it was created in Capella
             - viewpoint: The source layer from where the representation