sphinx: rename top level document in each manual

It is more common to call the top level document index.rst. This is
what this patch is doing, along with all required references fixup.

(From yocto-docs rev: 2cea7fbba9210479fc0387d7e1b80da9885558f0)

Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/documentation/ref-manual/ref-system-requirements.rst b/documentation/ref-manual/ref-system-requirements.rst
index af8663a5b2..937cd0c707 100644
--- a/documentation/ref-manual/ref-system-requirements.rst
+++ b/documentation/ref-manual/ref-system-requirements.rst
@@ -20,9 +20,9 @@ chapter in the Yocto Project Overview and Concepts Manual.
 
 If you want to use the Yocto Project to quickly build an image without
 having to understand concepts, work through the
-:doc:`../brief-yoctoprojectqs/brief-yoctoprojectqs` document. You can find "how-to"
-information in the :doc:`../dev-manual/dev-manual`. You can find Yocto Project overview
-and conceptual information in the :doc:`../overview-manual/overview-manual`.
+:doc:`../brief-yoctoprojectqs/index` document. You can find "how-to"
+information in the :doc:`../dev-manual/index`. You can find Yocto Project overview
+and conceptual information in the :doc:`../overview-manual/index`.
 
 .. note::