diff --git a/README.md b/README.md
index d65b01f..ac4ac87 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,8 @@ Options:
 
 ## OrderBy
 
+Order elements in Array by name of property, default is 'asc', a '-' of the name is 'desc'.
+
 Basic Usage:
 
 ```
diff --git a/test/orderBy.js b/test/orderBy.js
index 7852e78..72c2850 100644
--- a/test/orderBy.js
+++ b/test/orderBy.js
@@ -14,11 +14,11 @@ describe('OrderBy', function () {
 		]
 
 		const data = orderBy(options, [
-			{ index: 0 },
-			{ index: 1 },
-			{ index: 2 },
 			{ index: 3 },
-			{ index: 4 }
+			{ index: 1 },
+			{ index: 0 },
+			{ index: 4 },
+			{ index: 2 }
 		])
 
       	assert.equal(data[0].index, 4)
@@ -31,11 +31,11 @@ describe('OrderBy', function () {
 		]
 
 		const data = orderBy(options, [
-			{ index: 0 },
-			{ index: 1 },
-			{ index: 2 },
 			{ index: 3 },
-			{ index: 4 }
+			{ index: 1 },
+			{ index: 0 },
+			{ index: 4 },
+			{ index: 2 }
 		])
 
       	assert.equal(data[0].index, 0)