diff --git a/public/views/preferencesFee.html b/public/views/preferencesFee.html
index 230ed1f01..53e0374f9 100644
--- a/public/views/preferencesFee.html
+++ b/public/views/preferencesFee.html
@@ -7,8 +7,16 @@
 
 <div class="content preferences" ng-controller="preferencesFeeController as prefFee">
   <div ng-repeat="fee in prefFee.feeOpts" ng-click="prefFee.save(fee)" class="line-b p20 size-14">
-    <span>{{fee.name|translate}} (<span translate>{{fee.value}} bits per kB</span>)</span>
+    <span ng-if="fee.red" style="color:red">{{fee.name|translate}} (<span translate>{{fee.value}} bits per kB</span>)</span>
+    <span ng-if="!fee.red">{{fee.name|translate}} (<span translate>{{fee.value}} bits per kB</span>)</span>
     <i class="fi-check size-16 right" ng-show="prefFee.feeName == fee.name"></i>
   </div>
+  <div class="row column m20t">
+    <div class="text-gray size-12 text-center m20b"  translate>
+Bitcoin transactions may include a fee collected by miners on the network. The higher the fee, the greater the incentive a miner has to include that transaction in a block. The ‘Emergency’ level should only be used when there is a network congestion.
+    </div>
+  </div>
+
 </div>
+
 <div class="extra-margin-bottom"></div>
diff --git a/src/js/controllers/index.js b/src/js/controllers/index.js
index 56e5a0e6d..d27c89879 100644
--- a/src/js/controllers/index.js
+++ b/src/js/controllers/index.js
@@ -178,7 +178,7 @@ angular.module('copayApp.controllers').controller('indexController', function($r
 
     //prefs.email  (may come from arguments)
     prefs.language = self.defaultLanguageIsoCode;
-    prefs.unit = self.unitName;
+    prefs.unit = self.unitName.toLowerCase();
 
     var clients = [];
     if (opts.saveAll) {
diff --git a/src/js/controllers/preferencesFee.js b/src/js/controllers/preferencesFee.js
index cc8b825b6..c966e9ca4 100644
--- a/src/js/controllers/preferencesFee.js
+++ b/src/js/controllers/preferencesFee.js
@@ -13,7 +13,11 @@ angular.module('copayApp.controllers').controller('preferencesFeeController',
     }, {
       name: gettext('Economy'),
       value: 10,
-    }];
+    }, {
+      name: gettext('Emergency'),
+      red: true,
+      value: 500,
+    }, ];
 
     this.save = function(newFee) {
       var opts = {
diff --git a/src/js/services/addressService.js b/src/js/services/addressService.js
index 975961214..39978f94a 100644
--- a/src/js/services/addressService.js
+++ b/src/js/services/addressService.js
@@ -6,7 +6,7 @@ angular.module('copayApp.services')
 
 
     root.expireAddress = function(walletId,cb) {
-      $log.debug('Cleaning Address ' + addr );
+      $log.debug('Cleaning Address ' + walletId );
       storageService.clearLastAddress(walletId, function(err) {
         return cb(err);
       });