Clean up docs issues

The Sphinx build produces a number of warnings and errors. Some are
rightfully ignored, but many need to be fixed. These are mostly
unindexed pages and misformatted references.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I9d7a116dc87083ad2dcab20e31cd479364f298cd
diff --git a/howto/code/lint/fix-errors/index.rst b/howto/code/lint/fix-errors/index.rst
index e48d6a8..20289fc 100644
--- a/howto/code/lint/fix-errors/index.rst
+++ b/howto/code/lint/fix-errors/index.rst
@@ -4,5 +4,5 @@
 .. toctree::
     :glob:
 
-   sphinx/spelling/*
-   yamllint/*
+   sphinx/spelling/spelling-exclusions.rst
+   yamllint/long-lines.rst