diff --git a/plugins/catalog-backend/api-report.md b/plugins/catalog-backend/api-report.md
index a38a964d48..42d7a1eb0c 100644
--- a/plugins/catalog-backend/api-report.md
+++ b/plugins/catalog-backend/api-report.md
@@ -129,6 +129,9 @@ export class BuiltinKindsEntityProcessor implements CatalogProcessor_2 {
 // @public (undocumented)
 export const CATALOG_CONFLICTS_TOPIC = 'experimental.catalog.conflict';
 
+// @public (undocumented)
+export const CATALOG_ERRORS_TOPIC = 'experimental.catalog.errors';
+
 // @public
 export class CatalogBuilder {
   addEntityPolicy(
diff --git a/plugins/catalog-backend/src/constants.ts b/plugins/catalog-backend/src/constants.ts
index 20b54cbad2..10fa0edd45 100644
--- a/plugins/catalog-backend/src/constants.ts
+++ b/plugins/catalog-backend/src/constants.ts
@@ -16,4 +16,5 @@
 
 /** @public */
 export const CATALOG_CONFLICTS_TOPIC = 'experimental.catalog.conflict';
+/** @public */
 export const CATALOG_ERRORS_TOPIC = 'experimental.catalog.errors';