diff --git a/src/applications/config/option/PhabricatorApplicationConfigOptions.php b/src/applications/config/option/PhabricatorApplicationConfigOptions.php
--- a/src/applications/config/option/PhabricatorApplicationConfigOptions.php
+++ b/src/applications/config/option/PhabricatorApplicationConfigOptions.php
@@ -234,7 +234,7 @@
         if (isset($options[$key])) {
           throw new Exception(
             pht(
-              "Mulitple %s subclasses contain an option named '%s'!",
+              "Multiple %s subclasses contain an option named '%s'!",
               __CLASS__,
               $key));
         }
diff --git a/src/applications/settings/setting/PhabricatorEditorMultipleSetting.php b/src/applications/settings/setting/PhabricatorEditorMultipleSetting.php
--- a/src/applications/settings/setting/PhabricatorEditorMultipleSetting.php
+++ b/src/applications/settings/setting/PhabricatorEditorMultipleSetting.php
@@ -9,7 +9,7 @@
   const VALUE_SINGLE = 'disable';
 
   public function getSettingName() {
-    return pht('Edit Mulitple Files');
+    return pht('Edit Multiple Files');
   }
 
   public function getSettingPanelKey() {