Updated release info

Author: leolost2605

data/io.github.leolost2605.gradebook.metainfo.xml

@@ -31,13 +31,9 @@
   <releases>
   <release version="1.1.1" date="2022-12-25" urgency="medium">
     <description>
-      <p>Version 1.1.1</p>
-      <ul>
-        <li>Version 1.1.1 of the Gradebook just released!</li>
-      </ul>
       <p>Changes:</p>
       <ul>
-        <li>Translations for additional languages was added</li>
+        <li>Translations for additional languages were added</li>
         <li>Some minor UI improvements</li>
       </ul>
     </description>