ref-manual: Edits to update-alternatives class.

Also had to update four instances in the variables glossary where
links to the section for the class became misnamed due to
stripping out the excess stuff from the class section heading.

(From yocto-docs rev: d98d3848327950c5c5cfc8559379e56c97157ad2)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/ref-classes.xml

@@ -2705,17 +2705,17 @@
 </section>
 
 <section id='ref-classes-update-alternatives'>
-    <title>Alternatives - <filename>update-alternatives.bbclass</filename></title>
+    <title><filename>update-alternatives.bbclass</filename></title>
 
     <para>
-        This class helps the alternatives system when multiple sources provide
+        The <filename>update-alternatives</filename> class helps the
-        the same command.
+        alternatives system when multiple sources provide the same command.
         This situation occurs when several programs that have the same or
         similar function are installed with the same name.
         For example, the <filename>ar</filename> command is available from the
         <filename>busybox</filename>, <filename>binutils</filename> and
         <filename>elfutils</filename> packages.
-        The <filename>update-alternatives.bbclass</filename> class handles
+        The <filename>update-alternatives</filename> class handles
         renaming the binaries so that multiple packages can be installed
         without conflicts.
         The <filename>ar</filename> command still works regardless of which

documentation/ref-manual/ref-variables.xml

@@ -89,7 +89,7 @@
      ALTERNATIVE_busybox = "sh sed test bracket"
                     </literallayout>
                     For more information on the alternatives system, see the
-                    "<link linkend='ref-classes-update-alternatives'>Alternatives - <filename>update-alternatives.bbclass</filename></link>"
+                    "<link linkend='ref-classes-update-alternatives'><filename>update-alternatives.bbclass</filename></link>"
                     section.
                 </para>
             </glossdef>
@@ -122,7 +122,7 @@
 
                 <para>
                     For more information on the alternatives system, see the
-                    "<link linkend='ref-classes-update-alternatives'>Alternatives - <filename>update-alternatives.bbclass</filename></link>"
+                    "<link linkend='ref-classes-update-alternatives'><filename>update-alternatives.bbclass</filename></link>"
                     section.
                 </para>
             </glossdef>
@@ -147,7 +147,7 @@
 
                 <para>
                     For more information on the alternatives system, see the
-                    "<link linkend='ref-classes-update-alternatives'>Alternatives - <filename>update-alternatives.bbclass</filename></link>"
+                    "<link linkend='ref-classes-update-alternatives'><filename>update-alternatives.bbclass</filename></link>"
                     section.
                 </para>
             </glossdef>
@@ -197,7 +197,7 @@
 
                 <para>
                     For more information on the alternatives system, see the
-                    "<link linkend='ref-classes-update-alternatives'>Alternatives - <filename>update-alternatives.bbclass</filename></link>"
+                    "<link linkend='ref-classes-update-alternatives'><filename>update-alternatives.bbclass</filename></link>"
                     section.
                 </para>
             </glossdef>