-Please refer to the installation instructions for wxGTK. The only change for
-wxUniversal is that you must add "--enable-univ" switch to the configure
-command line.
+Please refer to the installation instructions for wxGTK or wxX11. The only
+change for wxUniversal is that you must add "--enable-universal" switch to
+the configure command line and for wxX11 even this is unnecessary, i.e. it
+is enabled by default.