libao: improve short_desc for subpkgs.

srcpkgs/libao/template

@@ -1,7 +1,7 @@
 # Template file for 'libao'
 pkgname=libao
 version=1.2.0
-revision=4
+revision=5
 build_style=gnu-configure
 configure_args="--enable-alsa-mmap"
 hostmakedepends="automake libtool pkg-config"
@@ -14,7 +14,6 @@ license="GPL-2"
 distfiles="http://downloads.xiph.org/releases/ao/${pkgname}-${version}.tar.gz"
 checksum=03ad231ad1f9d64b52474392d63c31197b0bc7bd416e58b1c10a329a5ed89caf
 
-
 pre_configure() {
 	autoreconf -fi
 }
@@ -33,18 +32,16 @@ libao-devel_package() {
 		vmove usr/share/aclocal
 	}
 }
-
 libao-pulse_package() {
 	depends="${sourcepkg}>=${version}_${revision}"
-	short_desc="The pulseaudio plugin for libao"
+	short_desc+=" - pulseaudio plugin"
 	pkg_install() {
 		vmove usr/lib/ao/plugins-4/libpulse.so
 	}
 }
-
 libao-sndio_package() {
 	depends="${sourcepkg}>=${version}_${revision}"
-	short_desc="The sndio plugin for libao"
+	short_desc+=" - sndio plugin"
 	pkg_install() {
 		vmove usr/lib/ao/plugins-4/libsndio.so
 	}