diff --git a/src/source/initializing.md b/src/source/initializing.md
index 51f5123..8e8bf8b 100644
--- a/src/source/initializing.md
+++ b/src/source/initializing.md
@@ -72,10 +72,9 @@
 
 ## Installing required packages (Ubuntu 10.04 -- 11.10) ##
 
-Ubuntu 10.04 64-bit is recommended.  Building using a newer version of Ubuntu or a 32-bit Ubuntu is
-currently only experimentally supported and is not guaranteed to work on branches other than master.
-
-64-bit (recommended)
+You will need a 64-bit version of Ubuntu.  Ubuntu 10.04 is recommended.
+Building using a newer version of Ubuntu is currently only experimentally
+supported and is not guaranteed to work on branches other than master.
 
     $ sudo apt-get install git-core gnupg flex bison gperf build-essential \
       zip curl zlib1g-dev libc6-dev lib32ncurses5-dev ia32-libs \
@@ -91,13 +90,6 @@
 
     $ sudo apt-get install libx11-dev:i386
 
-32-bit (experimental)
-
-    $ sudo apt-get install git-core gnupg flex bison gperf build-essential \
-      zip curl zlib1g-dev libc6-dev libncurses5-dev x11proto-core-dev \
-      libx11-dev libreadline6-dev libgl1-mesa-dev tofrodos python-markdown \
-      libxml2-utils xsltproc
-
 ## Installing required packages (Ubuntu 12.04) ##
 
 Building on Ubuntu 12.04 is currently only experimentally supported and is not