NaCl docs: a few improvements

native_client_sdk/src/doc/index.rst

Index: native_client_sdk/src/doc/index.rst
diff --git a/native_client_sdk/src/doc/index.rst b/native_client_sdk/src/doc/index.rst
index 0a8c030f9b157d7f1ec7b7fe4cb7185d63a9c66b..b1ebdfd495ceaf416da6f79fd049cc5afe1e5568 100644
--- a/native_client_sdk/src/doc/index.rst
+++ b/native_client_sdk/src/doc/index.rst
@@ -27,7 +27,7 @@ Portable Native Client lets developers run native compiled code on the web.
 
   This site uses several examples of Native Client. For the best experience,
   consider downloading the `latest version of Chrome 
-  <http://www.google.com/chrome/>`_. When you come back, be sure to `check out
+  <https://www.google.com/chrome/>`_. When you come back, be sure to `check out
   our demos <https://gonativeclient.appspot.com/demo>`_.
 
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@@ -115,8 +115,10 @@ So, you like to read now and try later. Start with our :doc:`Technical Overview
 
   <div class="big-intro" style="clear: both;">
 
-Send us questions, comments, and feedback: `native-client-discuss 
-<https://groups.google.com/forum/#!forum/native-client-discuss>`_.
+Send us comments and feedback on the `native-client-discuss
+<https://groups.google.com/forum/#!forum/native-client-discuss>`_ mailing list,
+or ask questions using Stack Overflow's `google-nativeclient
+<https://stackoverflow.com/questions/tagged/google-nativeclient>`_ tag.
 
 .. raw:: html