diff --git a/lib/components/Row.js b/lib/components/Row.js
index 1ce28aa..5698460 100644
--- a/lib/components/Row.js
+++ b/lib/components/Row.js
@@ -48,8 +48,8 @@ function Row(props) {
           layout={layout}
           rowIndex={rowIndex}
           columnIndex={index}
-          editable= {editable}
-          frameComponent = {frameComponent}
+          editable={editable}
+          frameComponent={frameComponent}
           onMove={onMove}
         />
       </Column>
diff --git a/package.json b/package.json
index 98e34e9..0b3b3d4 100644
--- a/package.json
+++ b/package.json
@@ -94,4 +94,4 @@
   "czConfig": {
     "path": "node_modules/cz-conventional-changelog"
   }
-}
\ No newline at end of file
+}
diff --git a/sample/components/AddWidgetDialog.jsx b/sample/components/AddWidgetDialog.jsx
index e3d8c79..2a11400 100644
--- a/sample/components/AddWidgetDialog.jsx
+++ b/sample/components/AddWidgetDialog.jsx
@@ -3,8 +3,8 @@ import PropTypes from 'prop-types';
 import Modal from 'react-modal';
 
 const AddWidgetDialog = ({ widgets, isModalOpen, onRequestClose, onWidgetSelect }) => {
-  const widgetItems = Object.keys(widgets).map(widget => (
-    <div className="list-group">
+  const widgetItems = Object.keys(widgets).map((widget, index) => (
+    <div key={index} className="list-group">
       <a href="#" className="list-group-item" onClick={() => onWidgetSelect(widget)}>
         <h6 className="list-group-item-heading">{widgets[widget].title}</h6>
       </a>
@@ -14,6 +14,7 @@ const AddWidgetDialog = ({ widgets, isModalOpen, onRequestClose, onWidgetSelect
     <Modal
       className="Modal__Bootstrap modal-dialog"
       isOpen={isModalOpen}
+      contentLabel=""
     >
       <div className="modal-content">
        <div className="modal-header">
@@ -37,7 +38,7 @@ const AddWidgetDialog = ({ widgets, isModalOpen, onRequestClose, onWidgetSelect
 };
 
 AddWidgetDialog.propTypes = {
-  widgets: PropTypes.obj,
+  widgets: PropTypes.object,
   isModalOpen: PropTypes.bool,
   onRequestClose: PropTypes.func,
   onWidgetSelect: PropTypes.func,