[rhythmbox] Minor markup corrections

[Andre Klapper <aklapper src gnome org>]

commit 4623ccdb825aad55208e12b160da5c7f14f1ae1f
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Jan 16 15:23:36 2018 +0100

    Minor markup corrections

 help/C/index.docbook |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/C/index.docbook b/help/C/index.docbook
index 1bb9a3f..ce4cb3c 100644
--- a/help/C/index.docbook
+++ b/help/C/index.docbook
@@ -635,7 +635,7 @@
                        artists and albums and display tracks that match the chosen criteria.
                </para>
        <para>
-                       First, to display the Browser, select <guimenuitem>Browse</guimenuitem>
+                       First, to display the Browser, select <guibutton>Browse</guibutton>
                        in the tool bar. Select artist, album 
                        and genre, and as you choose, only the tracks that match your choice will 
                        be displayed in the track list. The criteria on the columns apply
@@ -675,7 +675,7 @@
        <title>Adding a station</title>
        <para>
                        To add a new station to the Internet Radio tuner, select
-                       <guimenuitem>Add</guimenuitem> in the tool bar. Then enter the URL of
+                       <guibutton>Add</guibutton> in the tool bar. Then enter the URL of
                        the Internet radio, then press the button <guibutton>Add</guibutton>.
                </para>
     </sect2>
@@ -735,7 +735,7 @@
       <sect3 id="podcast-feed-add">
         <title>Add a podcast</title>
         <para>
-                       To register to a podcast, select <guimenuitem>Add</guimenuitem>
+                       To register to a podcast, select <guibutton>Add</guibutton>
                        in the tool bar. Then in the new window, enter the URL of
                        the podcast feed. Rhythmbox will retrieve the list of episodes and the 
                        latest episode will be downloaded on your hard disk.