diff --git a/dmenu_charinput b/dmenu_charinput
index 28689fb..c3b9806 100755
--- a/dmenu_charinput
+++ b/dmenu_charinput
@@ -1,12 +1,14 @@
 #!/bin/sh
 
-# call this with a single 'ranges' parameter for unicodedata
-# e.g. dmenu_charinput '13000..1342F 1F600..1F64F'
+# it is probably easiest to link this and unicodedata to /usr/local/bin for use with dwm
+
+# call this with the dmenu monitor and a single 'ranges' parameter for unicodedata
+# e.g. dmenu_charinput 0 '13000..1342F 1F600..1F64F'
 
 set -eu
 
-unicodedata -ranges "$1" |
- dmenu -i -l 10 |
+unicodedata -ranges "$2" |
+ dmenu -m "$1" -i -l 10 |
  awk '{print $1}' |
  tr -d "\n" |
  xclip -selection clipboard