diff --git a/.changeset/tiny-ads-knock.md b/.changeset/tiny-ads-knock.md
index 427ed7eee1..ba24ad6906 100644
--- a/.changeset/tiny-ads-knock.md
+++ b/.changeset/tiny-ads-knock.md
@@ -2,4 +2,7 @@
 '@backstage/catalog-client': patch
 ---
 
-Added `getEntityFacets` to the client
+Added `CatalogApi.getEntityFacets`. Marking this as a breaking change since it
+is a non-optional addition to the API and depends on the backend being in place.
+If you are mocking this interface in your tests, you will need to add an extra
+`getEntityFacets: jest.fn()` or similar to that interface.