diff --git a/_config.php b/_config.php
index 9104d10..febd562 100644
--- a/_config.php
+++ b/_config.php
@@ -8,4 +8,4 @@
  *
  * @package spamprotection
  */
-Deprecation::notification_version('1.1', 'spamprotection');
\ No newline at end of file
+Deprecation::notification_version('1.1', 'spamprotection');
diff --git a/composer.json b/composer.json
index f6ff030..d1d32e3 100644
--- a/composer.json
+++ b/composer.json
@@ -2,26 +2,24 @@
     "name": "silverstripe/spamprotection",
     "description": "Spam protection module for SilverStripe.",
     "type": "silverstripe-module",
-    "keywords": [
-        "silverstripe",
-        "spamprotection"
-    ],
-    "authors": [
-        {
-            "name": "Saophalkun Ponlu",
-            "email": "phalkunz@silverstripe.com"
-        },
-        {
-            "name": "Will Rossiter",
-            "email": "will@fullscreen.io"
-        }
-    ],
+    "keywords": ["silverstripe", "spamprotection"],
+    "authors": [{
+        "name": "Saophalkun Ponlu",
+        "email": "phalkunz@silverstripe.com"
+    }, {
+        "name": "Will Rossiter",
+        "email": "will@fullscreen.io"
+    }],
     "require": {
         "silverstripe/framework": "~3.1"
     },
     "require-dev": {
         "phpunit/PHPUnit": "~3.7@stable"
     },
-    "extra": [],
+    "extra": {
+        "branch-alias": {
+            "dev-master": "2.1.x-dev"
+        }
+    },
     "license": "BSD-3-Clause"
-}
\ No newline at end of file
+}