diff --git a/README b/README
index d5040222..89b0ed7a 100644
--- a/README
+++ b/README
@@ -15,13 +15,18 @@ To install:
     sudo python setup.py install
 
 Tornado has been tested on Python 2.5 and 2.6. To use all of the features
-of Tornado, you need to have PycURL and a JSON library like simplejson
+of Tornado, you need to have PycURL and (for Python 2.5 only) simplejson
 installed.
 
-On Mac OS X, you can install the packages with:
+On Mac OS X 10.6, you can install the packages with:
 
-    sudo easy_install setuptools pycurl==7.16.2.1 simplejson
+    sudo easy_install pycurl
 
 On Ubuntu Linux, you can install the packages with:
 
-    sudo apt-get install python-pycurl python-simplejson
+    # Python 2.6
+    sudo apt-get install python-pycurl
+
+    # Python 2.5
+    sudo apt-get install python-dev python-pycurl python-simplejson
+