[devhelp] appdata: Shorten the screenshot captions

[Emmanuele Bassi <ebassi src gnome org>]

commit 6ff43c6d3a7d04ccc16adb69774fe8e3224deb24
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Oct 1 18:07:06 2021 +0100

    appdata: Shorten the screenshot captions
    
    Apparently, 50 characters are enough for everyone.

 data/org.gnome.Devhelp.appdata.xml.in.in | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/data/org.gnome.Devhelp.appdata.xml.in.in b/data/org.gnome.Devhelp.appdata.xml.in.in
index 5190e694..2647280d 100644
--- a/data/org.gnome.Devhelp.appdata.xml.in.in
+++ b/data/org.gnome.Devhelp.appdata.xml.in.in
@@ -33,19 +33,19 @@
   <screenshots>
     <screenshot type="default">
       <image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-1.png</image>
-      <caption>Devhelp's main window, showing a list of books in the side panel</caption>
+      <caption>Devhelp's main window</caption>
     </screenshot>
     <screenshot>
       <image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-2.png</image>
-      <caption>Devhelp's main window, showing an open book</caption>
+      <caption>Devhelp's main window with an open book</caption>
     </screenshot>
     <screenshot>
       <image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-3.png</image>
-      <caption>Devhelp supports opening multiple books within the same window</caption>
+      <caption>Devhelp supports opening multiple books</caption>
     </screenshot>
     <screenshot>
       <image>https://people.gnome.org/~ebassi/screenshots/devhelp/devhelp-41-4.png</image>
-      <caption>Devhelp supports HTML documentation formats, including gi-docgen and gtk-doc</caption>
+      <caption>Devhelp supports HTML documentation formats</caption>
     </screenshot>
   </screenshots>
   <content_rating type="oars-1.1" />