diff --git a/Installation.md b/Installation.md
index d19e89d..836d481 100644
--- a/Installation.md
+++ b/Installation.md
@@ -27,6 +27,7 @@ rpst --keyword [keyword] --subreddit [subreddit name (without 'r/')]
 | -l/--listing | LISTING     | [controversial, hot, best, new, rising]  |  listing: controversial, hot, best, new, rising (default: top)  |
 | -c/--limit   | NUMBER      | 1-100      |  results limit (default: 10)|
 | -t/--timeframe| TIMEFRAME  | [hour, day, week, month, year]           |  timeframe: hour, day, week, month, year (default: all) |
+| -j/--json |      |   |  Specify to log found posts to a json file  |
 
 ## Setting up the GUI
 #### Note