diff --git a/.changeset/catalog-backend-model-processor.md b/.changeset/catalog-backend-model-processor.md
index f32bb6e261..eb461dc3ef 100644
--- a/.changeset/catalog-backend-model-processor.md
+++ b/.changeset/catalog-backend-model-processor.md
@@ -2,4 +2,4 @@
 '@backstage/plugin-catalog-backend': minor
 ---
 
-Added `ModelProcessor` that validates catalog entities against the compiled catalog model schemas, and integrated it into the `CatalogBuilder` and `CatalogPlugin`.
+Added `ModelProcessor` that validates catalog entities against the compiled catalog model schemas, and integrated it into the `CatalogBuilder` and `CatalogPlugin`. This processor is only activated if you explicitly add catalog model sources to your backend; there is no functional change for regular catalog usage.