fix issue in org.darktable.darktable

Author: Drsheppard01

data/org.darktable.darktable.metainfo.xml

@@ -7,7 +7,7 @@
   <launchable type="desktop-id">org.darktable.darktable.desktop</launchable>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-3.0+</project_license>
-  <_summary>Organize and develop images from digital cameras</_summary>
+  <summary>Organize and develop images from digital cameras</summary>
   <translation type="gettext">darktable</translation>
   <description>
     <p>
@@ -26,23 +26,23 @@
   <screenshots>
     <screenshot width="1920" height="1080">
       <image>https://www.darktable.org/images/darktable-appdata-lighttable.jpg</image>
-      <_caption>Virtual light table, showing a collection</_caption>
+      <caption>Virtual light table, showing a collection</caption>
     </screenshot>
     <screenshot width="1920" height="1080" type="default">
       <image>https://www.darktable.org/images/darktable-appdata-darkroom1.jpg</image>
-      <_caption>Virtual dark room with an opened image</_caption>
+      <caption>Virtual dark room with an opened image</caption>
     </screenshot>
     <screenshot width="1920" height="1080">
       <image>https://www.darktable.org/images/darktable-appdata-darkroom2.jpg</image>
-      <_caption>Virtual dark room, sharpening an image</_caption>
+      <caption>Virtual dark room, sharpening an image</caption>
     </screenshot>
     <screenshot width="1920" height="1080">
       <image>https://www.darktable.org/images/darktable-appdata-map.jpg</image>
-      <_caption>Show images on a map</_caption>
+      <caption>Show images on a map</caption>
     </screenshot>
     <screenshot width="1920" height="1080">
       <image>https://www.darktable.org/images/darktable-appdata-print.jpg</image>
-      <_caption>Print your images</_caption>
+      <caption>Print your images</caption>
     </screenshot>
   </screenshots>
   <content_rating type="oars-1.1" />