Update README.md

diff --git a/README.md b/README.md
index 5ed4ef9cca372f0f4890ab1ea7559498fdd3758d..3cd642e82917f69496f8aa450da1a1e190078973 100644 (file)
--- a/README.md
+++ b/README.md
@@ -65,10 +65,12 @@ Personal Package Archives for Shairport Sync master and development branches are
 There is a Shairport Sync package in OpenWrt `trunk`. Also, there's an OpenWrt package at https://github.com/mikebrady/shairport-sync-for-openwrt, including one that builds back to `Attitude Adjustment`.
 
 **Arch Linux:**
-An Arch Linux installation package is available at  [EliaCereda/shairport-sync-PKGBUILD](https://github.com/EliaCereda/shairport-sync-PKGBUILD).
+Shairport Sync is available for `x86_64` and `i686` platforms in the Arch Linux Community Repository -- search for `shairport-sync`. See also https://www.archlinux.org/packages/.
+
+An Arch Linux installation package, suitable for compilation on any platform, is available at  [EliaCereda/shairport-sync-PKGBUILD](https://github.com/EliaCereda/shairport-sync-PKGBUILD).
 
 **Mac OS X:**
-A [HomeBrew](http://brew.sh) package exists for Shairport Sync. With HomeBrew installed, Shairport Sync can be installed using the command `$brew install shairport-sync`. Note that the installation uses the `libao` library and so synchronisation is not available — playback glitches will occur occasionally, when the buffers overflow or underflow.
+A [HomeBrew](http://brew.sh) package exists for Shairport Sync. With HomeBrew installed, Shairport Sync can be installed using the command `$brew install shairport-sync`. Note that the installation uses the `libao` library and so synchronisation is not available — playback glitches will occur occasionally, when the `ao` system's buffers overflow or underflow.
 
 **Fedora:**
 Install the toolchain and pre-requisites, if necessary: