README.md in ohm-2.0.0.rc1 vs README.md in ohm-2.0.0.rc2

- old
+ new

@@ -46,10 +46,10 @@
 run on `localhost:6379` by default. Check the `redis.conf` file that comes
 with the sources if you want to change some settings.
 
 If you don't have Ohm, try this:
 
-    $ [sudo] gem install ohm
+    $ [sudo] gem install ohm -v 2.0.0.rc1
 
 Or you can grab the code from [http://github.com/soveran/ohm][ohm].
 
 Now, in an irb session you can test the Redis adapter directly:
 