diff --git a/README.md b/README.md
index 7ee64c8..e107d7d 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ You need to install Ruby on your system - if you don't already have it, then run
 
 ### Basic
 
-Pass the base url of the website you want to retrieve as an argument (e.g., http://example.com):
+Run `wayback_machine_downloader` with the base url of the website you want to retrieve as a parameter (e.g., http://example.com):
 
     wayback_machine_downloader http://example.com