Make the venv instructions more sexy

README.md

@@ -49,13 +49,13 @@ replace the `virtualenv` command with `virtualenv2` in the following.
 
 To create the virtualenv (the first time):
 
-    virtualenv ~/tmp/venv-illyse
+    virtualenv ./venv
 
 
 To activate the virtualenv (you need to do this each time you work on
 the project):
 
-    . ~/tmp/venv-illyse/bin/activate
+    source ./venv/bin/activate
 
 
 Install dependencies. On Debian, you will probably need the