[gitg] gschema: Fix typos

[Alberto Fanjul <albfan src gnome org>]

commit ae878604add4f857a23ed0ef0a0498dccaad45ab
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Tue Oct 11 20:07:43 2022 +0200

    gschema: Fix typos

 data/org.gnome.gitg.gschema.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.gitg.gschema.xml.in b/data/org.gnome.gitg.gschema.xml.in
index 103bcd0f..502c3cb0 100644
--- a/data/org.gnome.gitg.gschema.xml.in
+++ b/data/org.gnome.gitg.gschema.xml.in
@@ -251,7 +251,7 @@
     </key>
     <key name="predefined-datetime" type="s">
       <default>'%Y-%m-%dT%R%z'</default>
-      <summary>Prefered Datatime format of the user.</summary>
+      <summary>Preferred datetime format of the user.</summary>
       <description>
       The datetime format to be used in commit-diff.
       </description>