1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index a3cd587..4c5ceb7 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ type Item struct { }
 func (item Item) Get(values url.Values, headers map[string][]string) (int, interface{}, map[string][]string) {
     items := []string{"item1", "item2"}
     data := map[string][]string{"items": items}
-    return 200, data, map[string][]string{"Content-type": "application/json"}
+    return 200, data, map[string][]string{"Content-type": {"application/json"}}
 }
 
 func main() {