diff --git a/README.md b/README.md
index 7a932d0..63227e6 100755
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Requirements
 Usage
 =====
 ```
-Usage:    ./download-subreddit-images.sh 'subreddit_name' [hot|new|rising|top] [number] [all|year|month|week|day]
+Usage:    ./download-subreddit-images.sh 'subreddit_name' [hot|new|rising|top|controversial] [number] [all|year|month|week|day]
 Examples: ./download-subreddit-images.sh starterpacks new 10
           ./download-subreddit-images.sh funny top 50 month
 ```