add support for description string

1 files changed, 3 insertions, 0 deletions

diff --git a/usage.go b/usage.go
index f096f58..c31a428 100644
--- a/usage.go
+++ b/usage.go
@@ -29,6 +29,9 @@ func (p *Parser) WriteUsage(w io.Writer) {
 		}
 	}
 
+	if p.description != "" {
+		fmt.Fprintln(w, p.description)
+	}
 	if p.version != "" {
 		fmt.Fprintln(w, p.version)
 	}