Fix a typo in Files.app CRX warning message.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 749 matching lines @@
     <ph name="BEGIN_LINK_HELP">&lt;a target='_blank' href='$2'&gt;<ex>&lt;a target='_blank' href='$2'&gt;</ex></ph>Learn More<ph name="END_LINK_HELP">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>
   </message>
   <message name="IDS_FILE_BROWSER_NO_ACTION_FOR_EXECUTABLE" desc="Message shown when user tries to open a windows executable file, which we can't handle.">
     This file type is not supported. Please visit the <ph name="BEGIN_LINK">&lt;a target='_blank' href='$1'&gt;<ex>&lt;a target='_blank' href='$1'&gt;</ex></ph>Chrome Web Store<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph> to find a similar app.
     <ph name="BEGIN_LINK_HELP">&lt;a target='_blank' href='$2'&gt;<ex>&lt;a target='_blank' href='$2'&gt;</ex></ph>Learn More<ph name="END_LINK_HELP">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>
   </message>
   <message name="IDS_FILE_BROWSER_NO_ACTION_FOR_CRX_TITLE" desc="Message shown when a user tries to open a *.crx file, which we don't handle in Files.app.">
     Wait just a sec
   </message>
   <message name="IDS_FILE_BROWSER_NO_ACTION_FOR_CRX" desc="Message shown when a user tries to open a *.crx file, which we don't handle in Files.app.">
-    We're constantly looking for ways to make your browsing safer. Previously, any website could prompt you to add an extension into your browser. In the latest versions of Google Chrome, you must explicitly tell Chrome that you want to install these extensions by adding them through the Extensions page. <ph name="BEGIN_LINK">&lt;a target='_blank' href='https://support.google.com/chrome_webstore/answer/2664769?p=crx_warning&amp;rd=1'&gt;</ph>Lean more<ph name="END_LINK">&lt;/a&gt;</ph>
+    We're constantly looking for ways to make your browsing safer. Previously, any website could prompt you to add an extension into your browser. In the latest versions of Google Chrome, you must explicitly tell Chrome that you want to install these extensions by adding them through the Extensions page. <ph name="BEGIN_LINK">&lt;a target='_blank' href='https://support.google.com/chrome_webstore/answer/2664769?p=crx_warning&amp;rd=1'&gt;</ph>Learn more<ph name="END_LINK">&lt;/a&gt;</ph>
   </message>
 
   <message name="IDS_FILE_BROWSER_FOLDER" desc="Folder entry type">
     Folder
   </message>
   <message name="IDS_FILE_BROWSER_GENERIC_FILE_TYPE" desc="An entry type for a file with an extension that the File Manager does not recognize.">
     <ph name="FILE_TYPE">$1<ex>ABC</ex></ph> file
   </message>
   <message name="IDS_FILE_BROWSER_NO_EXTENSION_FILE_TYPE" desc="An entry type for a file without an extension">
     File
@@ skipping 4977 matching lines @@
   </message>
 
   <!-- 'OK Google' voice search activation display strings -->
   <message name="IDS_FLAGS_OK_GOOGLE_NAME" desc="Name of about:flags option for Ok Google.">
     Enable 'Ok Google' to activate voice search.
   </message>
   <message name="IDS_FLAGS_OK_GOOGLE_DESCRIPTION" desc="Description of about:flags option Ok Google.">
     If enabled, there will be an option in chrome:settings to enable saying 'Ok Google' to activate voice search.
   </message>
 </grit-part>