diff --git a/js/components/ascribe_routes/proxy_routes/redirect_proxy_handler.js b/js/components/ascribe_routes/proxy_routes/redirect_proxy_handler.js
index 474d07fd..4fae7da2 100644
--- a/js/components/ascribe_routes/proxy_routes/redirect_proxy_handler.js
+++ b/js/components/ascribe_routes/proxy_routes/redirect_proxy_handler.js
@@ -11,6 +11,14 @@ import AppConstants from '../../../constants/application_constants';
 
 const { object } = React.PropTypes;
 
+/**
+ * Can be used in combination with `ProxyRoute` as an intermediate Handler
+ * between the actual component we want to display dependent on a certain state
+ * that is required to display that component.
+ *
+ * @param {string} options.to   Any type of route path that is defined in routes.js
+ * @param {enum/string} options.when ('loggedIn' || 'loggedOut')
+ */
 export default function RedirectProxyHandler({to, when}) {
     return (Component) => {
         return React.createClass({
@@ -41,19 +49,32 @@ export default function RedirectProxyHandler({to, when}) {
                 const { query } = this.props.location;
                 const { redirectAuthenticated, redirect } = query;
 
+                // validate when as an enum, that is either 'loggedIn' or 'loggedOut'.
+                // Otherwise throw an error.
                 if(when === 'loggedIn' || when === 'loggedOut') {
 
+                    // The user of this Handler specifies with `when`, what kind of status
+                    // needs to be checked to conditionally do - if that state is `true` -
+                    // a redirect.
+                    //
+                    // So if when === 'loggedIn', we're checking if the user is logged in and
+                    // vice versa.
                     let exprToValidate = when === 'loggedIn' ?
                                      this.state.currentUser && this.state.currentUser.email :
                                      this.state.currentUser && !this.state.currentUser.email;
 
+                    // and redirect if `true`.
                     if(exprToValidate) {
                         window.setTimeout(() => this.history.pushState(null, to, query));
+
+                    // Otherwise there can also be the case that the backend
+                    // wants to redirect the user to a specific case when he's logged out already
                     } else if(!exprToValidate && when === 'loggedIn' && redirect) {
 
                         delete query.redirect;
                         window.setTimeout(() => this.history.pushState(null, '/' + redirect, query));
 
+                    // and when he's logged in already
                     } else if(!exprToValidate && when === 'loggedOut' && redirectAuthenticated) {
                         /*
                         * redirectAuthenticated contains an arbirary path