Fix string description.

ios/chrome/app/strings/ios_strings.grd

Index: ios/chrome/app/strings/ios_strings.grd
diff --git a/ios/chrome/app/strings/ios_strings.grd b/ios/chrome/app/strings/ios_strings.grd
index 350ad30f67218a7f9a9ce34ef143e3b49a1b057b..deb1a90e6a8733c7785d18160f4168c72bc0ee5c 100644
--- a/ios/chrome/app/strings/ios_strings.grd
+++ b/ios/chrome/app/strings/ios_strings.grd
@@ -1077,7 +1077,7 @@ Handoff must also be enabled in the General section of Settings, and your device
       <message name="IDS_IOS_READING_LIST_EMPTY_MESSAGE_IPAD" desc="Message to explain to the user how to add entries to the reading list" meaning="[Length: unlimited]">
         To add a page to your reading list, tap <ph name="BEGIN_BOLD_FONT">BEGIN_BOLD_FONT</ph>Share > Read Later<ph name="END_BOLD_FONT">END_BOLD_FONT</ph>.
       </message>
-      <message name="IDS_IOS_READING_LIST_EMPTY_OFFLINE" desc="Message to explain to the user that the pages added to the reading list can we read offline." meaning="[Length:unlimited]">
+      <message name="IDS_IOS_READING_LIST_EMPTY_OFFLINE" desc="Message to explain to the user that the pages added to the reading list can be read offline." meaning="[Length:unlimited]">
         Your reading list is available offline.
       </message>
       <message name="IDS_IOS_READING_LIST_MARK_ALL_BUTTON" desc="Label of the button to suggest options to mark all reading list entries read or unread [Length: 25em]" meaning="Display options letting the user mark all the entries as read or as unread. [Length: 25em]">