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/structural-directives.md
+++ b/aio/content/guide/structural-directives.md
@ -1,4 +1,4 @@
-# Structural Directives
+# Structural directives

 <style>
  h4 {font-size: 17px !important; text-transform: none !important;}