Fix composer json

Author: alexander-schranz

composer.json

@@ -12,7 +12,7 @@
     "require": {
         "php": ">=5.4",
         "knplabs/knp-snappy-bundle": "^1.4",
-        "twig/twig": "^1.0 || ^2.0 || ^3.0"
+        "twig/twig": "^1.0 || ^2.0 || ^3.0"
     },
     "autoload": {
         "psr-4": {