diff --git a/docs/backend-system/building-backends/08-migrating.md b/docs/backend-system/building-backends/08-migrating.md
index ca8f628c05..f866cb63d1 100644
--- a/docs/backend-system/building-backends/08-migrating.md
+++ b/docs/backend-system/building-backends/08-migrating.md
@@ -325,7 +325,7 @@ catalog:
 
 #### Open API
 
-`InternalOpenApiDocumentationProvider` have not yet been migrated to the new backend system.
+`InternalOpenApiDocumentationProvider` has not yet been migrated to the new backend system.
 See [Other Catalog Extensions](#other-catalog-extensions) for how to use this in the new backend system.
 
 #### Bitbucket