fix branch alias for 2.0 (#49)

alexander-schranz · wachterjohannes · commit be8f0bbdfa3d · 2018-06-12T20:28:15.000+02:00
diff --git a/composer.json b/composer.json
@@ -39,7 +39,7 @@
     },
     "minimum-stability": "dev",
     "extra": {
-        "branch-aliases": {
+        "branch-alias": {
             "dev-develop": "2.0-dev"
         }
     }
