Fix message descriptions to indicate screenreader use

The wording on the message descriptions was incorrect,
suggesting the text is "readable" when it should have
indicated that the text will be read by a screenreader.

Change-Id: Ide5ae94e938d1690f4adec639484815aaeeddf5e
Reviewed-on: https://chromium-review.googlesource.com/1124800
Commit-Queue: Orin Jaworski <orinj@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572401}

components/omnibox_strings.grdp

@@ -71,10 +71,10 @@
   <message name="IDS_ACC_AUTOCOMPLETE_SUGGESTED_SEARCH" desc="Text for screenreaders describing a suggested search.">
     <ph name="TEXT">$1<ex>dogs</ex> search suggestion</ph>
   </message>
-  <message name="IDS_ACC_AUTOCOMPLETE_SUGGESTED_SEARCH_ENTITY" desc="Readable text represening a search suggestion for a rich entity with type description.  The commas are significant as they will introduce a pause in the spoken text.">
+  <message name="IDS_ACC_AUTOCOMPLETE_SUGGESTED_SEARCH_ENTITY" desc="Text for screenreaders describing a suggested search for an entity with a description. The commas are significant as they will introduce a pause in the spoken text.">
     <ph name="ENTITY">$1<ex>muhammad ali</ex></ph>, <ph name="DESCRIPTION">$2<ex>american professional boxer</ex></ph>, search suggestion
   </message>
-  <message name="IDS_ACC_AUTOCOMPLETE_QUICK_ANSWER" desc="Readable text represening a query typed by the user in the omnibox, followed by an indication that an answer to that query will follow, followed by the answer. The commas are significant as they will introduce a pause in the spoken text.">
+  <message name="IDS_ACC_AUTOCOMPLETE_QUICK_ANSWER" desc="Text for screenreaders describing a query, followed by an indication that an answer to that query will follow, followed by the answer. The commas are significant as they will introduce a pause in the spoken text.">
     <ph name="QUERY">$1<ex>weather in los angeles</ex></ph>, answer, <ph name="ANSWER">$2<ex>sunny and 84 degrees</ex></ph>
   </message>
   <message name="IDS_ACC_AUTOCOMPLETE_BOOKMARK" desc="Text for screenreaders describing a URL from a bookmark.">