diff --git a/data/jp.angeltech.MoeMoji.metainfo.xml.in b/data/jp.angeltech.MoeMoji.metainfo.xml.in
index b85e3e3..5d83ea2 100644
--- a/data/jp.angeltech.MoeMoji.metainfo.xml.in
+++ b/data/jp.angeltech.MoeMoji.metainfo.xml.in
@@ -25,6 +25,7 @@
   <screenshots>
     <screenshot type="default">
       <image>https://gitea.angeltech.jp/Angel-Technologies/MoeMoji/media/branch/main/preview.png</image>
+      <caption>Kaomoji picker</caption>
     </screenshot>
   </screenshots>