diff --git a/README b/README
index 9fa6bc6..069f818 100644
--- a/README
+++ b/README
@@ -10,7 +10,7 @@ Installation
 
 Assuming that you want to install ``microcms`` version 0.1.0:
 
-    $ pip install hg+http://hg.mornie.org/django/microcms/@v0.1.0#egg=microcms
+    $ pip install -e hg+http://hg.mornie.org/django/microcms/@0.1.0#egg=microcms
 
 Or download a packaged version and and use Python's ``distutils`` to install.