Bug 1720687 - Fix 2.53.8.1 release date. r=me

Drive by spelling fix for libera.chat release news.

src/news.en.xml

@@ -7,7 +7,7 @@ http://www.damowmow.com/portal/ (use the "Indentify" field)
 -->
 
 <newsfeed title="SeaMonkey News" url="http://seamonkey-project.org/news">
-  <entry id="2021-08-22" showfront="true">
+  <entry id="2021-07-22" showfront="true">
     <headline>SeaMonkey 2.53.8.1 released</headline>
     <content type="html" xml:lang="en">
 <![CDATA[<p>
@@ -92,8 +92,8 @@ and reporting problems as well as further improving the product.
     <content type="html" xml:lang="en">
 <![CDATA[<p>
 In the last month freenode became a battleground between former admins and
-management. If you want to know more just use you favorite search engine and
-you find all the information you need.
+management. If you want to know more just use your favorite search engine
+and you will find all the information you need.
 <p>
 Because of this we planned for some time now to move our irc presence
 to libera.chat in the next few weeks. Unfortunately freenode forced us