Updated for change in config file name.  Removed references to
obsolete global wine configuration file where appropriate.  Updated
config option format to match the new syntax.  Misc cleanups.

diff --git a/documentation/opengl.sgml b/documentation/opengl.sgml
index d098512..88dc083 100644
--- a/documentation/opengl.sgml
+++ b/documentation/opengl.sgml
@@ -144,7 +144,7 @@
         contexts, if you want to prevent the screen to flicker when
         using OpenGL applications (all games are using double-buffered
         contexts), you need to set the following option in your
-        <filename>.winerc</filename> / <filename>wine.ini</filename>
+        <filename>~/.wine/config</filename> file
         in the [x11drv] section :
       </para>
       <programlisting>