docs: Improve the current status heading.

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>

docs/index.rst

diff --git a/docs/index.rst b/docs/index.rst
index d12add8..b0ea862 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -6,7 +6,7 @@
     contributing
     code-of-conduct
 
-    status
+    Current Status <status>
     known_issues
     versioning