docs: apply standard header case convention (#34196)

PR Close #34196
2019-12-02 12:47:19 -08:00
parent 9e0583045c
commit efdf347f9c
56 changed files with 188 additions and 173 deletions
--- a/aio/content/guide/dependency-injection-in-action.md
+++ b/aio/content/guide/dependency-injection-in-action.md
@ -1,4 +1,4 @@
-# Dependency Injection in Action
+# Dependency injection in action

 This section explores many of the features of dependency injection (DI) in Angular.
 {@a toc}