diff --git a/Jeopardy/README.md b/Jeopardy/README.md
index fb94b1b..0f9528e 100644
--- a/Jeopardy/README.md
+++ b/Jeopardy/README.md
@@ -3,3 +3,4 @@ Fork of Trivia (https://github.com/ProgVal/Supybot-plugins/tree/master/Trivia) r
 pip install requests unidecode
 
 start --num (int) --cat (int) | optionally specify number of questions or category id
+categories | return a list of popular Jeopardy! categories and their IDs