[totem/mallard-documentation: 2464/2501] Make page IDs match file names

[Jeremy Bicha <jbicha src gnome org>]

commit ac70ffc9e6deb72c16188eca3134715015774bc2
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Jan 11 18:54:33 2019 +0100

    Make page IDs match file names

 help/C/sound-language.page           | 2 +-
 help/C/sound-volume.page             | 2 +-
 help/C/troubleshooting-Audio-CD.page | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/C/sound-language.page b/help/C/sound-language.page
index 459f06bb..ae3c13ef 100644
--- a/help/C/sound-language.page
+++ b/help/C/sound-language.page
@@ -1,6 +1,6 @@
 <page xmlns="http://projectmallard.org/1.0/";
       type="guide"
-      id="language">
+      id="sound-language">
 
   <info>
     <link type="guide" xref="index#playing-media"/>
diff --git a/help/C/sound-volume.page b/help/C/sound-volume.page
index 0bdc3f7e..ce9bc624 100644
--- a/help/C/sound-volume.page
+++ b/help/C/sound-volume.page
@@ -1,6 +1,6 @@
 <page xmlns="http://projectmallard.org/1.0/";
       type="guide"
-      id="volume">
+      id="sound-volume">
 
   <info>
     <link type="guide" xref="index#playing-media"/>
diff --git a/help/C/troubleshooting-Audio-CD.page b/help/C/troubleshooting-Audio-CD.page
index 9a9f6210..fcaaed7d 100644
--- a/help/C/troubleshooting-Audio-CD.page
+++ b/help/C/troubleshooting-Audio-CD.page
@@ -1,6 +1,6 @@
 <page xmlns="http://projectmallard.org/1.0/";
       type="guide"
-      id="troubleshooting-audio-CD">
+      id="troubleshooting-Audio-CD">
 
   <info>
     <link type="guide" xref="index#troubleshooting"/>