diff --git a/adev/src/content/guide/di/hierarchical-dependency-injection.md b/adev/src/content/guide/di/hierarchical-dependency-injection.md
index 0bcbc23e84a..9c73c349055 100644
--- a/adev/src/content/guide/di/hierarchical-dependency-injection.md
+++ b/adev/src/content/guide/di/hierarchical-dependency-injection.md
@@ -1143,7 +1143,7 @@ graph BT;
 subgraph A[" "]
 direction LR
 RootInjector["(A) RootInjector"]
-ServicesA["CarService, EngineService, TitleService"]
+ServicesA["CarService, EngineService, TiresService"]
 end
 
 subgraph B[" "]