Fix typo in sad tab string resource.

components/new_or_sad_tab_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
 
       <message name="IDS_DEFAULT_TAB_TITLE" desc="The default title in a tab.">
         Untitled
       </message>
 
       <!-- Sad Tab Strings -->
       <message name="IDS_SAD_TAB_TITLE" desc="The title of the sad tab page that is shown when a tab crashes. This is intended to be a humorous exclamation of dismay." formatter_data="android_java">
         Aw, Snap!
@@ skipping 80 matching lines @@
       <if expr="_google_chrome">
         <message name="IDS_SAD_TAB_RELOAD_RESTART_BROWSER" desc="One of the bullet points displayed on the web page if a reload failed to fix the issue, advising the user to restart Chrome." formatter_data="android_java">
           Restart Chrome
         </message>
       </if>
       <if expr="not _google_chrome">
         <message name="IDS_SAD_TAB_RELOAD_RESTART_BROWSER" desc="One of the bullet points displayed on the web page if a reload failed to fix the issue, advising the user to restart Chromium." formatter_data="android_java">
           Restart Chromium
         </message>
       </if>
-      <if expr="is_win or is_linux or is_maxosx or chromeos">
+      <if expr="is_win or is_linux or is_macosx or chromeos">
         <message name="IDS_SAD_TAB_RELOAD_RESTART_DEVICE" desc="One of the bullet points displayed on the web page if a reload failed to fix the issue, advising the user to restart their computer." formatter_data="android_java">
           Restart your computer
         </message>
       </if>
       <if expr="is_android or is_ios">
         <message name="IDS_SAD_TAB_RELOAD_RESTART_DEVICE" desc="One of the bullet points displayed on the web page if a reload failed to fix the issue, advising the user to restart their device (i.e. phone or tablet)." formatter_data="android_java">
           Restart your device
         </message>
       </if>
       <if expr="is_android or is_ios">
@@ skipping 53 matching lines @@
       <message name="IDS_NEW_TAB_OTR_VISIBLE" desc="Bullet points listing entities that might be able to see the user's Incognito activity. The bullet points elaborate on the fact that Incognito only provides privacy with respect to other users on the same device. Websites you visit still know that you visited them. Your employer, school, and/or internet service provider can still monitor network traffic, even if it comes from the Incognito mode." formatter_data="android_java">
         Your activity <ph name="BEGIN_EMPHASIS">&lt;em&gt;</ph>might still be visible<ph name="END_EMPHASIS">&lt;/em&gt;</ph> to:
         <ph name="BEGIN_LIST">&lt;ul&gt;</ph>
           <ph name="LIST_ITEM">&lt;li&gt;</ph>Websites you visit
           <ph name="LIST_ITEM">&lt;li&gt;</ph>Your employer or school
           <ph name="LIST_ITEM">&lt;li&gt;</ph>Your internet service provider
         <ph name="END_LIST">&lt;/ul&gt;</ph>
       </message>
 
 </grit-part>