diff --git a/src/components/views/elements/ImageView.js b/src/components/views/elements/ImageView.js
index a42d957daa..bc1d8b4d53 100644
--- a/src/components/views/elements/ImageView.js
+++ b/src/components/views/elements/ImageView.js
@@ -53,6 +53,8 @@ export default class ImageView extends React.Component {
     }
 
     componentDidMount() {
+        // We have to use addEventListener() because the listener
+        // needs to be passive in order to work with Chromium
         this.focusLock.addEventListener('wheel', this.onWheel, { passive: false });
     }