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-rw-r--r--usage.go8
1 files changed, 7 insertions, 1 deletions
diff --git a/usage.go b/usage.go
index bf7fb83..4652b36 100644
--- a/usage.go
+++ b/usage.go
@@ -54,7 +54,13 @@ func (p *Parser) WriteUsage(w io.Writer) {
fmt.Fprint(w, " ")
up := strings.ToUpper(spec.long)
if spec.multiple {
- fmt.Fprintf(w, "[%s [%s ...]]", up, up)
+ if !spec.required {
+ fmt.Fprint(w, "[")
+ }
+ fmt.Fprintf(w, "%s [%s ...]", up, up)
+ if !spec.required {
+ fmt.Fprint(w, "]")
+ }
} else {
fmt.Fprint(w, up)
}