diff --git a/src/compatibility/downloads.md b/src/compatibility/downloads.md
index a1151ed..3c0225b 100644
--- a/src/compatibility/downloads.md
+++ b/src/compatibility/downloads.md
@@ -26,7 +26,8 @@
 Android 2.3 is found in the 'gingerbread' branch in the open-source tree.
 
 - [Android 2.3 Compatibility Definition Document (CDD)](2.3/android-2.3.3-cdd.pdf)
-- [Android 2.3 R6 Compatibility Test Suite (CTS)](http://dl.google.com/dl/android/cts/android-cts-2.3_r6-x86.zip)
+- [Android 2.3 R9 Compatibility Test Suite (CTS)](http://dl.google.com/dl/android/cts/android-cts-2.3_r9-linux_x86-armv5.zip)
+- [Android 2.3 R2 CTS Verifier](http://dl.google.com/dl/android/cts/android-cts-verifier-2.3_r2-linux_x86-armv5.zip)
 
 ## Android 2.2 ##
 
diff --git a/src/compatibility/overview.md b/src/compatibility/overview.md
index 2111983..7d4eb27 100644
--- a/src/compatibility/overview.md
+++ b/src/compatibility/overview.md
@@ -117,4 +117,11 @@
 early on, and ensure that the software remains compatible throughout the
 development process.
 
+
+# Compatibility Test Suite Verifier (CTS Verifier) #
+The Compatibility Test Suite Verifier (CTS Verifier) is a supplement to the
+Compatibility Test Suite (CTS), available for [download](downloads.html).
+CTS Verifier provides tests for APIs and functions that cannot be tested on a
+stationary device without manual input (e.g. audio quality, accelerometer, etc).
+
 For details on the CTS, consult the [CTS introduction](cts-intro.html).
diff --git a/src/source/initializing.md b/src/source/initializing.md
index d394c4f..fdc3f63 100644
--- a/src/source/initializing.md
+++ b/src/source/initializing.md
@@ -69,7 +69,7 @@
     $ sudo apt-get install git-core gnupg flex bison gperf build-essential \
       zip curl zlib1g-dev libc6-dev lib32ncurses5-dev ia32-libs \
       x11proto-core-dev libx11-dev lib32readline5-dev lib32z-dev \
-      libgl1-mesa-dev g++-multilib mingw32 tofrodos
+      libgl1-mesa-dev g++-multilib mingw32 tofrodos python-markdown
 
 ## Configuring USB Access ##