diff --git a/lsext b/lsext
index 2ebf547..1290723 100755
--- a/lsext
+++ b/lsext
@@ -1,3 +1,5 @@
 #!/bin/env sh
+# list all extentions in a folder up to a certain depth and sort by frequency
+# lsext $folder $depth
 find "${1:-.}" -maxdepth ${2:-1} -type f | sed -e 's/.*\.//' | tr [:upper:] [:lower:] | sort | uniq -c