diff --git a/README.md b/README.md
index 3dbb4e7..7508462 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,9 @@ $ git-heatmap --counting by-amount
 # maxed at 99
 $ git-heatmap --format numbers
 
+# sets how many months per row to display
+$ git-heatmap --months-per-row 6
+
 # filter by one or multiple authors (respecting the .mailmap settings) 
 # without an -a flag all authors will be checked
 $ git-heatmap -a "username" -a "other"