diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6169a7cbc4a..391df69cabe 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -54,6 +54,7 @@ Some simple rules, that will make it easier to maintain our codebase:
 * A space before function parameters, such as: `function boom (name, callback) { }`, this makes searching for calls easier
 * Name your callback functions, such as `boom('the name', function afterBoom ( result ) { }`
 * Don't include author names in the header of your files, if you need to give credit to someone else do it in the commit comment.
+* Use single quotes.
 * Use the comma first style, for example:
 
   ```javascript
diff --git a/env.js b/env.js
index 9d1388b6435..b5decbaa31f 100644
--- a/env.js
+++ b/env.js
@@ -81,7 +81,7 @@ function setVersion() {
 }
 
 function setMongo() {
-  env.mongo = readENV('MONGO_CONNECTION') || readENV('MONGO') || readENV('MONGOLAB_URI');
+  env.mongo = readENV('MONGO_CONNECTION') || readENV('MONGO') || readENV('MONGOLAB_URI') || readENV('MONGODB_URI');
   env.mongo_collection = readENV('MONGO_COLLECTION', 'entries');
   env.MQTT_MONITOR = readENV('MQTT_MONITOR', null);
   if (env.MQTT_MONITOR) {
diff --git a/lib/language.js b/lib/language.js
index 1a73feba5fb..e8e8f15c898 100644
--- a/lib/language.js
+++ b/lib/language.js
@@ -18,6 +18,7 @@ function init() {
     , { code: 'he', language: 'עברית' }
     , { code: 'hr', language: 'Hrvatski' }
     , { code: 'it', language: 'Italiano' }
+    , { code: 'nl', language: 'Nederlands' }
     , { code: 'nb', language: 'Norsk (Bokmål)' }
     , { code: 'pl', language: 'Polski' }
     , { code: 'pt', language: 'Português (Brasil)' }