[gnome-user-docs] Improve sorting and naming of index topmost topics

[Petr Kovář <pmkovar src gnome org>]

commit 97318f06a724553ac0c7f0b5f700fa607a965168
Author: Petr Kovar <pkovar redhat com>
Date:   Sun Feb 24 18:53:43 2019 +0100

    Improve sorting and naming of index topmost topics
    
    Helps gnome-getting-started-docs#3.
    
    Use sentence case in more titles.

 gnome-help/C/index.page              | 4 ++--
 gnome-help/C/net-browser.page        | 2 +-
 gnome-help/C/net-wired.page          | 2 +-
 gnome-help/C/net-wireless.page       | 6 +++---
 gnome-help/C/shell-introduction.page | 6 +++---
 5 files changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/gnome-help/C/index.page b/gnome-help/C/index.page
index c1026211..9071c1a7 100644
--- a/gnome-help/C/index.page
+++ b/gnome-help/C/index.page
@@ -15,9 +15,9 @@
 
 <title><media its:translate="no" type="image" src="figures/yelp-icon-big.png"><span its:translate="yes">Yelp 
logo</span></media> GNOME Help</title>
 
-<links type="topic" groups="#gs"/>
+<links type="topic" groups="gs"/>
 
-<links type="topic" groups="#first"/>
+<links type="topic" groups="intro #first"/>
 
 <links type="topic" style="toronto" groups="
        shell-overview
diff --git a/gnome-help/C/net-browser.page b/gnome-help/C/net-browser.page
index d8e04deb..23ef4ea1 100644
--- a/gnome-help/C/net-browser.page
+++ b/gnome-help/C/net-browser.page
@@ -20,6 +20,6 @@
     </desc>
   </info>
 
-  <title>Web Browsers</title>
+  <title>Web browsers</title>
 
 </page>
diff --git a/gnome-help/C/net-wired.page b/gnome-help/C/net-wired.page
index eb321a27..dccdd4af 100644
--- a/gnome-help/C/net-wired.page
+++ b/gnome-help/C/net-wired.page
@@ -19,6 +19,6 @@
     <include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
   </info>
 
-<title>Wired Networking</title>
+<title>Wired networking</title>
 
 </page>
diff --git a/gnome-help/C/net-wireless.page b/gnome-help/C/net-wireless.page
index c461bb32..a894353e 100644
--- a/gnome-help/C/net-wireless.page
+++ b/gnome-help/C/net-wireless.page
@@ -14,8 +14,8 @@
 
     <desc>
       <link xref="net-wireless-connect">Connect to wifi</link>,
-      <link xref="net-wireless-hidden">Hidden networks</link>,
-      <link xref="net-wireless-disconnecting">Disconnecting</link>…
+      <link xref="net-wireless-hidden">hidden networks</link>,
+      <link xref="net-wireless-disconnecting">wifi disconnecting</link>…
     </desc>
 
     <credit type="author">
@@ -30,7 +30,7 @@
 
   </info>
 
-<title>Wireless Networking</title>
+<title>Wireless networking</title>
 
 <comment>
 <cite date="2012-02-19">shaunm</cite>
diff --git a/gnome-help/C/shell-introduction.page b/gnome-help/C/shell-introduction.page
index 1638606b..a5fa196a 100644
--- a/gnome-help/C/shell-introduction.page
+++ b/gnome-help/C/shell-introduction.page
@@ -6,7 +6,7 @@
 
   <info>
     <link type="guide" xref="shell-overview" group="#first"/>
-    <link type="guide" xref="index" group="#first"/>
+    <link type="guide" xref="index" group="intro"/>
 
     <revision pkgversion="3.6.0" date="2012-10-13" status="review"/>
     <revision pkgversion="3.10" date="2013-11-02" status="review"/>
@@ -28,11 +28,11 @@
 
     <include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
 
-    <desc>A visual introduction to your desktop, the top bar, and the
+    <desc>A visual overview of your desktop, the top bar, and the
     <gui>Activities</gui> overview.</desc>
   </info>
 
-  <title>Introduction to GNOME</title>
+  <title>Visual overview of GNOME</title>
 
   <p>GNOME 3 features a completely reimagined user interface designed to
   stay out of your way, minimize distractions, and help you get things done.