diff --git a/js/components/ascribe_buttons/acl_information_button.js b/js/components/ascribe_buttons/acl_information_button.js
index efca1664..2daba3a9 100644
--- a/js/components/ascribe_buttons/acl_information_button.js
+++ b/js/components/ascribe_buttons/acl_information_button.js
@@ -8,6 +8,12 @@ import AclInformation from '../ascribe_information/acl_information';
 import Button from 'react-bootstrap/lib/Button';
 
 let AclInformationButton = React.createClass({
+    propTypes: {
+        verbs: React.PropTypes.oneOfType([
+            React.PropTypes.string,
+            React.PropTypes.arrayOf(React.PropTypes.string)
+        ])
+    },
     getInitialState() {
         return {isVisible: false};
     },
diff --git a/js/components/ascribe_information/acl_information.js b/js/components/ascribe_information/acl_information.js
index 80dc5f22..cc379e9c 100644
--- a/js/components/ascribe_information/acl_information.js
+++ b/js/components/ascribe_information/acl_information.js
@@ -6,6 +6,13 @@ import { getLangText } from '../../utils/lang_utils';
 import { replaceSubstringAtIndex } from '../../utils/general_utils';
 
 let AclInformation = React.createClass({
+    propTypes: {
+        verbs: React.PropTypes.oneOfType([
+            React.PropTypes.string,
+            React.PropTypes.arrayOf(React.PropTypes.string)
+        ]),
+        aim: React.PropTypes.string
+    },
     render() {
         let titleStyle = {
             color: '#02B6A3',