[five-or-more] help: use title case for Useful Tips section

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 921377000719024e27f34e02139f6f5f06e1e806
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Aug 18 09:25:59 2013 -0500

    help: use title case for Useful Tips section

 help/C/index.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 4ea4ede..8b3d795 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -34,7 +34,7 @@
    </section>
 
    <section id="tips" style="2column">
-    <title>Useful tips</title>
+    <title>Useful Tips</title>
    </section>
 
    <section id="advanced" style="2column">