diff --git a/README.md b/README.md
index 8e96d29..7ed1a14 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ tags and indentation errors:
 
 ## Usage
 
-Install it with `pip install jinjalint`, then run it with:
+Install it with `pip install jinjalint` (or `pip3 install jinjalint` if you are using Python v.3.x), then run it with:
 
 ```sh
 $ jinjalint template-directory/