diff --git a/test/cloudevent_spec_0_1.js b/test/cloudevent_spec_0_1.js
index a7c060c..6075f19 100644
--- a/test/cloudevent_spec_0_1.js
+++ b/test/cloudevent_spec_0_1.js
@@ -74,7 +74,7 @@ describe("CloudEvents Spec 0.1 - JavaScript SDK", () => {
     
     });
 
-    describe("The Constraint check", () => {
+    describe("The Constraints check", () => {
       describe("'eventType'", () => {
         it("should throw an error when is an empty string", () => {
           cloudevent.type("");