diff --git a/docs/assets/software-catalog/software-model-entities.drawio.svg b/docs/assets/software-catalog/software-model-entities.drawio.svg
index d087583245..122f58b065 100644
--- a/docs/assets/software-catalog/software-model-entities.drawio.svg
+++ b/docs/assets/software-catalog/software-model-entities.drawio.svg
@@ -1,4 +1,4 @@
-
+
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/docs/features/software-catalog/system-model.md b/docs/features/software-catalog/system-model.md
index af359bb18a..ee7270a960 100644
--- a/docs/features/software-catalog/system-model.md
+++ b/docs/features/software-catalog/system-model.md
@@ -120,6 +120,9 @@ product or use-case, share the same entity types in their APIs, and integrate
well with each other. Other domains could be “Content Ingestion”, “Ads” or
“Search”.
+In case of a large organization, it might make sense to further group domains
+in a hierarchy, where a domain can be a subdomain of another domain.
+
## Other
### Location