--- a/BuildingOnMac.wiki	Mon Dec 17 00:14:18 2012 +0000
+++ b/BuildingOnMac.wiki	Mon Jan 14 21:27:13 2013 +0000
@@ -25,6 +25,11 @@
   * Ogg sources - http://downloads.xiph.org/releases/ogg/libogg-1.2.1.tar.bz2
   * Vorbis sources - http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.2.tar.bz2
 
+== Optional Libraries ==
+
+The following libraries are optional:
+ * Sparkle (auto-updater) - http://sparkle.andymatuschak.org/files/Sparkle%201.5b6.zip
+
 === Compiling Ogg Vorbis ===
 
 Since there is no framework distribution for ogg vorbis libraries, we will need to compile our own. Extract the sources and open the relative .xcodeproj file.