[ghex] appdata: Update screenshots for pre-alpha.

[Logan Rathbone <larathbone src gnome org>]

commit 9ada7c08e8dd550a9ec125529d84a4557fd7ba9f
Author: Logan Rathbone <poprocks gmail com>
Date:   Fri Dec 10 19:45:17 2021 -0500

    appdata: Update screenshots for pre-alpha.

 data/org.gnome.GHex.appdata.xml.in.in | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/org.gnome.GHex.appdata.xml.in.in b/data/org.gnome.GHex.appdata.xml.in.in
index b088983..6b50548 100644
--- a/data/org.gnome.GHex.appdata.xml.in.in
+++ b/data/org.gnome.GHex.appdata.xml.in.in
@@ -13,15 +13,15 @@
       GHex can load raw data from binary files and display them for editing in the
       traditional hex editor view. The display is split in two columns, with
       hexadecimal values in one column and the ASCII representation in the other.
-      A useful tool for working with raw data.
+      GHex is a useful tool for working with raw data.
     </p>
   </description>
   <screenshots>
     <screenshot type="default">
-      
<image>https://gitlab.gnome.org/GNOME/ghex/raw/a8a2ac7037689318f2b09e947c5b28d5ba32abe1/data/appdata/ghex-1.png</image>
+      
<image>https://gitlab.gnome.org/GNOME/ghex/raw/4fb3db22937386545e6f6d9f7d34ce1d42bdc457/data/appdata/ghex-2.png</image>
     </screenshot>
     <screenshot>
-      
<image>https://gitlab.gnome.org/GNOME/ghex/raw/a8a2ac7037689318f2b09e947c5b28d5ba32abe1/data/appdata/ghex-2.png</image>
+      
<image>https://gitlab.gnome.org/GNOME/ghex/raw/4fb3db22937386545e6f6d9f7d34ce1d42bdc457/data/appdata/ghex-1.png</image>
     </screenshot>
   </screenshots>
   <kudos>