diff --git a/packages/core/src/di/interface/defs.ts b/packages/core/src/di/interface/defs.ts
index c532b72f98..c3ecb5ecfe 100644
--- a/packages/core/src/di/interface/defs.ts
+++ b/packages/core/src/di/interface/defs.ts
@@ -153,7 +153,7 @@ export function ɵɵdefineInjectable<T>(opts: {
 }
 
 /**
- * @deprecated in v8, delete after v10. This API should be used only be generated code, and that
+ * @deprecated in v8, delete after v10. This API should be used only by generated code, and that
  * code should now use ɵɵdefineInjectable instead.
  * @publicApi
  */