diff --git a/README.md b/README.md
index 2d793ba..c20fc58 100644
--- a/README.md
+++ b/README.md
@@ -11,12 +11,6 @@ The preferred way to install this extension is through [composer](http://getcomp
 
 Either run
 
-```
-php composer.phar require --prefer-dist mdmsoft/yii2-autonumber "*"
-```
-
-for dev-master
-
 ```
 php composer.phar require --prefer-dist mdmsoft/yii2-autonumber "dev-master"
 ```
@@ -24,7 +18,7 @@ php composer.phar require --prefer-dist mdmsoft/yii2-autonumber "dev-master"
 or add
 
 ```
-"mdmsoft/yii2-autonumber": "*"
+"mdmsoft/yii2-autonumber": "dev-master"
 ```
 
 to the require section of your `composer.json` file.
diff --git a/composer.json b/composer.json
index df54769..8fbdb2a 100644
--- a/composer.json
+++ b/composer.json
@@ -1,20 +1,27 @@
 {
-	"name": "mdmsoft/yii2-autonumber",
-	"description": "Auto number extension for the Yii framework",
-	"keywords": ["yii2"," extension"," autonumber"," behavior"],
-	"license": "BSD-3-Clause",
-	"type": "yii2-extension",
-	"license": "BSD-3-Clause",
-	"authors": [
-		{
-			"name": "Misbahul D Munir",
-			"email": "misbahuldmunir@gmail.com"
-		}
-	],
-	"require": {
-		"yiisoft/yii2": "*"
-	},
-	"autoload": {
-		"psr-4": { "mdm\\autonumber\\": "" }
-	}
+    "name": "mdmsoft/yii2-autonumber",
+    "description": "Auto number extension for the Yii framework",
+    "keywords": ["yii2", " extension", " autonumber", " behavior"],
+    "license": "BSD-3-Clause",
+    "type": "yii2-extension",
+    "license": "BSD-3-Clause",
+    "authors": [
+        {
+            "name": "Misbahul D Munir",
+            "email": "misbahuldmunir@gmail.com"
+        }
+    ],
+    "require": {
+        "yiisoft/yii2": "*"
+    },
+    "autoload": {
+        "psr-4": {
+            "mdm\\autonumber\\": ""
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    }
 }