Fix url

src/data/org.kde.knotes.appdata.xml

@@ -333,7 +333,7 @@
   </description>
   <url type="bugtracker">https://bugs.kde.org/enter_bug.cgi?format=guided&amp;product=knotes</url>
   <url type="help">https://docs.kde.org/?application=knotes</url>
-  <url type="homepage">https://kontact.kde.org/components/knotes.html</url>
+  <url type="homepage">https://kontact.kde.org/components/knotes/</url>
   <screenshots>
     <screenshot type="default">
       <image type="source">https://cdn.kde.org/screenshots/knotes/knotes.png</image>