diff --git a/README.md b/README.md
index e0f5612..f201113 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ Usage: dust -i (Do not show hidden files)
 Usage: dust -c (No colors [monochrome])
 Usage: dust -f (Count files instead of diskspace)
 Usage: dust -t (Group by filetype)
+Usage: dust -z 10M (min-size, Only include files larger than 10M)
 Usage: dust -e regex (Only include files matching this regex (eg dust -e "\.png$" would match png files))
 Usage: dust -v regex (Exculde files matching this regex (eg dust -v "\.png$" would ignore png files))