diff --git a/stringer.go b/stringer.go
index bffcb19..3ef765d 100644
--- a/stringer.go
+++ b/stringer.go
@@ -43,6 +43,7 @@ var (
 
 // Usage is a replacement usage function for the flags package.
 func Usage() {
+	_, _ = fmt.Fprintf(os.Stderr, "Enumer is a tool to generate Go code that adds useful methods to Go enums (constants with a specific type).")
 	_, _ = fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
 	_, _ = fmt.Fprintf(os.Stderr, "\tstringer [flags] -type T [directory]\n")
 	_, _ = fmt.Fprintf(os.Stderr, "\tstringer [flags] -type T files... # Must be a single package\n")