diff --git a/README.md b/README.md
index 5db244b..1e281bc 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ tools:
   for cases where potentially dangerous behavior is being deliberately used
   carefully.
 
-If you want style, see http://github.com/davepacheco/jsstyle.
+If you want a style checker, see http://github.com/davepacheco/jsstyle.
 
 
 Synopsis
@@ -55,9 +55,11 @@ Supported Platforms
 
 This branch of JSL has been tested on:
 
-- SmartOS (Illumos-based) with Python 2.6.
-- Mac OS X >=10.6 with Python 2.6. I.e. does `which python2.6` return something?
+- SmartOS (illumos-based), both 32-bit and 64-bit.
+- Mac OS X Snow Leopard, Lion, and Mountain Lion.
+- Debian Squeeze (6.0.5).
 
+All of these use Python 2.6 or later.
 
 History
 -------
@@ -66,8 +68,7 @@ This version forked from the Subversion repo at revision 302 (2011-04-06).
 I'll happily look at incorporating new patches from upstream, though the
 project has been pretty quiet for the last many months.
 
-The main purpose of this fork is to fix building on Illumos-based systems.
-Rather than fix the complex spidermonkey build system to work on Illumos, I
+The main purpose of this fork is to fix building on illumos-based systems.
+Rather than fix the complex spidermonkey build system to work on illumos, I
 stripped out a bunch of unnecessary pieces and Makefiles and wrote a new set of
-Makefiles.  The result now builds on Mac OSX as well, and should build on Linux
-with minimal changes to the Makefile.
+Makefiles.  The result now builds on Mac OS X and Linux as well.