diff --git a/js/components/ascribe_settings/contract_settings_update_button.js b/js/components/ascribe_settings/contract_settings_update_button.js
index 2fbfe15f..5712d441 100644
--- a/js/components/ascribe_settings/contract_settings_update_button.js
+++ b/js/components/ascribe_settings/contract_settings_update_button.js
@@ -33,12 +33,16 @@ let ContractSettingsUpdateButton = React.createClass({
         ContractListActions
             .changeContract(contract)
             .then((res) => {
+
+                // Display feedback to the user
                 let notification = new GlobalNotificationModel(getLangText('Contract %s successfully updated', res.name), 'success', 5000);
                 GlobalNotificationActions.appendGlobalNotification(notification);
 
+                // and refresh the contract list to get the updated contracs
                 return ContractListActions.fetchContractList(true);
             })
             .then(() => {
+                // Also, reset the fineuploader component so that the user can again 'update' his contract
                 this.refs.fineuploader.reset();
             })
             .catch((err) => {
diff --git a/js/components/ascribe_uploader/ascribe_file_drag_and_drop/file_drag_and_drop_preview.js b/js/components/ascribe_uploader/ascribe_file_drag_and_drop/file_drag_and_drop_preview.js
index 8f712061..86d4135e 100644
--- a/js/components/ascribe_uploader/ascribe_file_drag_and_drop/file_drag_and_drop_preview.js
+++ b/js/components/ascribe_uploader/ascribe_file_drag_and_drop/file_drag_and_drop_preview.js
@@ -45,6 +45,7 @@ let FileDragAndDropPreview = React.createClass({
 
     handleDownloadFile() {
         if(this.props.file.s3Url) {
+            // This simply opens a new browser tab with the url provided
             open(this.props.file.s3Url);
         }
     },
diff --git a/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js b/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js
index 47347d46..1547272e 100644
--- a/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js
+++ b/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js
@@ -8,20 +8,8 @@ import { getLangText } from '../../../utils/lang_utils';
 
 let UploadButton = React.createClass({
     propTypes: {
-        onDragStart: React.PropTypes.func,
         onDrop: React.PropTypes.func.isRequired,
-        onDrag: React.PropTypes.func,
-        onDragEnter: React.PropTypes.func,
-        onLeave: React.PropTypes.func,
-        onDragLeave: React.PropTypes.func,
-        onDragOver: React.PropTypes.func,
-        onDragEnd: React.PropTypes.func,
-        onInactive: React.PropTypes.func,
         filesToUpload: React.PropTypes.array,
-        handleDeleteFile: React.PropTypes.func,
-        handleCancelFile: React.PropTypes.func,
-        handlePauseFile: React.PropTypes.func,
-        handleResumeFile: React.PropTypes.func,
         multiple: React.PropTypes.bool,
 
         // For simplification purposes we're just going to use this prop as a
@@ -77,7 +65,7 @@ let UploadButton = React.createClass({
         // Depending on wether there is an upload going on or not we
         // display the progress
         if(filesToUpload.length > 0) {
-            return  getLangText('Upload progress') + ': ' + Math.ceil(filesToUpload[0].progress) + '%';
+            return getLangText('Upload progress') + ': ' + Math.ceil(filesToUpload[0].progress) + '%';
         } else {
             return fileClassToUpload.singular;
         }
diff --git a/js/components/ascribe_uploader/react_s3_fine_uploader.js b/js/components/ascribe_uploader/react_s3_fine_uploader.js
index 54434826..c7a5f9a7 100644
--- a/js/components/ascribe_uploader/react_s3_fine_uploader.js
+++ b/js/components/ascribe_uploader/react_s3_fine_uploader.js
@@ -3,7 +3,6 @@
 import React from 'react/addons';
 import fineUploader from 'fineUploader';
 import Router from 'react-router';
-import fineUploader from 'fineUploader';
 import Q from 'q';
 
 import S3Fetcher from '../../fetchers/s3_fetcher';