diff -r 7b2dcd2b31c1 -r 74fba571487e common/corpus-common-addon/addon/components/doc-literal.js
--- a/common/corpus-common-addon/addon/components/doc-literal.js	Mon Feb 06 16:05:02 2017 +0100
+++ b/common/corpus-common-addon/addon/components/doc-literal.js	Wed Feb 08 15:25:24 2017 +0100
@@ -4,35 +4,35 @@
 export default Ember.Component.extend({
   layout: layout,
   tagName: 'span',
-  value: Ember.computed('url', function() {
-    var url = this.get('url');
-    if(typeof url === 'string') {
+  value: Ember.computed('url', function () {
+    const url = this.get('url');
+
+    if (typeof url === 'string') {
       return url;
+    } else if (typeof url === 'object' && !Array.isArray(url) && 'value' in url) {
+      return url.value;
     }
-    else if (typeof url === 'object' && !Array.isArray(url) && 'value' in url) {
-      return url['value'];
-    }
-    else {
-      return null;
-    }
+
+    return null;
   }),
-  lang: Ember.computed('url', function() {
-    var url = this.get('url');
+  lang: Ember.computed('url', function () {
+    const url = this.get('url');
+
     if (typeof url === 'object' && !Array.isArray(url) && 'lang' in url) {
-      return url['lang'];
+      return url.lang;
     }
-    else {
-      return null;
-    }
+
+    return null;
   }),
-  datatype: Ember.computed('url', function() {
-    var url = this.get('url');
+
+  datatype: Ember.computed('url', function () {
+    const url = this.get('url');
+
     if (typeof url === 'object' && !Array.isArray(url) && 'datatype' in url) {
-      return url['datatype'];
+      return url.datatype;
     }
-    else {
-      return null;
-    }
+
+    return null;
   })
 
 });