docs(readme): fix single file example (#1017)

issue discovered by @sgon00 at gitter
2017-07-14 18:52:16 +02:00 · 2017-07-14 18:52:16 +02:00 · fe4d405108
parent 65a6dd46a5
commit fe4d405108
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -276,7 +276,7 @@ func main() {
 		file, _ := c.FormFile("file")
 		log.Println(file.Filename)

-		c.String(http.StatusOK, fmt.Printf("'%s' uploaded!", file.Filename))
+		c.String(http.StatusOK, fmt.Sprintf("'%s' uploaded!", file.Filename))
 	})
 	router.Run(":8080")
 }