Update metainfo xml

space.nouspiro.tenmon.metainfo.xml

@@ -7,16 +7,13 @@
     <metadata_license>CC0-1.0</metadata_license>
     <project_license>GPL-3.0</project_license>
     <description>
-        <p>
+        <p>It is intended primarily for viewing astro photos and images. It supports the following formats:</p>
-            It is intended primarily for viewing astro photos and images. It supports the following formats:
         <ul>
             <li>FITS 8, 16 bit integer and 32 bit float</li>
             <li>XISF 8, 16 bit integer and 32 bit float</li>
             <li>JPEG, PNG, BMP, GIF, PBM, PGM, PPM and SVG images</li>
         </ul>
-        </p>
+        <p>Features of applications:</p>
-        <p>
-            Features:
         <ul>
             <li>Using same stretch function as PixInsight</li>
             <li>OpenGL accelerated drawing</li>
@@ -28,9 +25,18 @@
             <li>Support for WCS</li>
             <li>Thumbnails</li>
         </ul>
-        </p>
     </description>
+    <categories>
+        <category>Graphics</category>
+        <category>Viewer</category>
+        <category>Science</category>
+        <category>Astronomy</category>
+    </categories>
+    <keywords>
+        <keyword>astronomy</keyword>
+    </keywords>
     <url type="homepage">https://nouspiro.space/?page_id=206</url>
+    <url type="bugtracker">https://github.com/flathub/space.nouspiro.tenmon/issues</url>
     <screenshots>
         <screenshot type="default">
             <image>https://nouspiro.space/wp-content/uploads/2022/04/tenmon-1024x579.png</image>