diff --git a/argv.go b/argv.go
index c977657..0cb2c9b 100644
--- a/argv.go
+++ b/argv.go
@@ -31,12 +31,17 @@ type args struct {
 func (a args) Description() string {
 	return "go.wit.com/apps/autogenpb " + VERSION + "    Built on " + BUILDTIME + `
 
-Auto Generate protocol buffer Sort() and Marshal() functions
+From a .proto file, autogenpb will:
 
-go install go.wit.com/apps/autogenpb@latest
+	* auto generate Sort(), Marshal() and GUI() functions in .pb.go files
+	* auto format the .proto file (like goimport does for .go files)
+	* encourages (enforces?) plural struct names (like rails)
 
-The protobuf requires a 'standard' .proto format.
-See the git sources for an example .proto file.
+See the sources for an example .proto files
+
+Example usage:
+
+	autogenpb --proto foo.proto --package main
 `
 }