libpressureaudio: better descriptions

pkgs/misc/apulse/pressureaudio.nix

@@ -60,22 +60,22 @@ stdenv.mkDerivation {
   '';
 
   meta = apulse.meta // {
-    description = "libpulseaudio without any sound daemons over pure ALSA";
+    description = "libpulse without any sound daemons over pure ALSA";
     longDescription = ''
-      apulse (${apulse.meta.homepage}) implements most of libpulseaudio
+      apulse (${apulse.meta.homepage}) implements most of libpulse
       API over pure ALSA in 5% LOC of the original PulseAudio.
 
       But apulse is made to be used as a wrapper that substitutes its
       replacement libs into LD_LIBRARY_PATH. The problem with that is
-      that you still have to link against the original libpulseaudio.
+      that you still have to link against the original libpulse.
 
       pressureaudio (http://git.r-36.net/pressureaudio/) wraps apulse
-      with everything you need to replace libpulseaudio completely.
+      with everything you need to replace libpulse completely.
 
       This derivation is a reimplementation of pressureaudio in pure
       nix.
 
-      You can simply override libpulseaudio with this and most
+      You can simply override libpulse with this and most
       packages would just work.
     '';
   };