Correct cache version info in doc/fontconfig-user.sgml

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
diff --git a/doc/fontconfig-user.sgml b/doc/fontconfig-user.sgml
index 8f49f78..30e7b87 100644
--- a/doc/fontconfig-user.sgml
+++ b/doc/fontconfig-user.sgml
@@ -322,8 +322,8 @@
 a directory in the users home directory.  If 'prefix' is set to "xdg", the value in the XDG_CACHE_HOME environment variable will be added as the path prefix. please see XDG Base Directory Specification for more details.
 The default directory is ``$XDG_CACHE_HOME/fontconfig'' and it contains the cache files
 named ``<literal>&lt;hash value&gt;</literal>-<literal>&lt;architecture&gt;</literal>.cache-<literal>&lt;version&gt;</literal>'',
-where <literal>&lt;version&gt;</literal> is the font configuration file
-version number (currently 5).
+where <literal>&lt;version&gt;</literal> is the fontconfig cache file
+version number (currently 7).
   </para></refsect2>
   <refsect2><title><literal>&lt;include ignore_missing="no" prefix="default"&gt;</literal></title><para>
 This element contains the name of an additional configuration file or