[yelp] Fix release description in appdata file for validation

[Shaun McCance <shaunm src gnome org>]

commit 1ac9305ec019b3dde6d30c648d0eee5f2f998e1c
Author: Shaun McCance <shaunm gnome org>
Date:   Mon Sep 20 11:28:10 2021 -0400

    Fix release description in appdata file for validation
    
    Fixes https://gitlab.gnome.org/GNOME/yelp/-/issues/184

 data/yelp.appdata.xml.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/yelp.appdata.xml.in b/data/yelp.appdata.xml.in
index 6ebadf11..7f069732 100644
--- a/data/yelp.appdata.xml.in
+++ b/data/yelp.appdata.xml.in
@@ -3,6 +3,7 @@
   <releases>
     <release version="41.0" timestamp="2021-09-18">
       <description>
+        <p>Help 41.0 contains the following improvements:</p>
         <ul>
           <li>Search results and 'All Help' now use current styling</li>
           <li>Various internal changes to keep up with modern APIs</li>