diff --git a/bin/linguist b/bin/linguist
index 1be091c3..260d656c 100755
--- a/bin/linguist
+++ b/bin/linguist
@@ -1,5 +1,10 @@
 #!/usr/bin/env ruby
 
+# linguist — detect language type for a file, or, given a directory
+#            determine language breakdown
+#
+# usage: linguist <path>
+
 require 'linguist/file_blob'
 require 'linguist/repository'