[gnome-user-docs] Minor fixes

[Petr Kovář <pmkovar src gnome org>]

commit a296f527f11076d3c2ab353146cfe61037603af6
Author: Petr Kovar <pkovar redhat com>
Date:   Sat Jul 20 11:58:40 2019 -0700

    Minor fixes

 gnome-help/C/gnome-classic.page    | 2 +-
 gnome-help/C/shell-lockscreen.page | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnome-help/C/gnome-classic.page b/gnome-help/C/gnome-classic.page
index 16621341..0d02bf47 100644
--- a/gnome-help/C/gnome-classic.page
+++ b/gnome-help/C/gnome-classic.page
@@ -4,7 +4,7 @@
       id="gnome-classic">
 
   <info>
-<!--    <link type="guide" xref="shell-overview#desktop" />-->
+    <link type="guide" xref="shell-overview" />
 
     <revision pkgversion="3.10.1" date="2013-10-28" status="review"/>
     <revision pkgversion="3.29" date="2018-08-28" status="review"/>
diff --git a/gnome-help/C/shell-lockscreen.page b/gnome-help/C/shell-lockscreen.page
index bdc91350..ba93fd79 100644
--- a/gnome-help/C/shell-lockscreen.page
+++ b/gnome-help/C/shell-lockscreen.page
@@ -21,7 +21,7 @@
     information.</desc>
   </info>
 
-  <title>The Lock Screen</title>
+  <title>The lock screen</title>
 
   <p>The lock screen means that you can see what is happening while your
   computer is locked, and it allows you to get a summary of what has been