-<tt>POLYP_SERVER</tt>, <tt>POYLP_SINK</tt>, <tt>POLYP_SOURCE</tt>,
-<tt>POLYP_COOKIE</tt>. This is very useful when using SSH or any other
+<tt>PULSE_SERVER</tt>, <tt>POYLP_SINK</tt>, <tt>PULSE_SOURCE</tt>,
+<tt>PULSE_COOKIE</tt>. This is very useful when using SSH or any other