ref-manuals: Edits to image-mklibs class.

(From yocto-docs rev: 0bf0fc9147a7c0a515ebdc417ae74e0665c6abaa)

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

@@ -964,7 +964,7 @@
     <title><filename>image-mklibs.bbclass</filename></title>
 
     <para>
-        The make libraries (<filename>mklibs</filename>) class
+        The <filename>mklibs</filename> class
         enables the use of the <filename>mklibs</filename> utility during the
         <filename>do_rootfs</filename> task, which optimizes the size of
         libraries contained in the image.