[gthumb: 1/2] help/C/extensions.page: corrected wiki link

[Paolo Bacchilega <paobac src gnome org>]

commit 1c48c3deb0cafa195c28328f27566fec9279c81a
Author: Wylel <wylelb protonmail com>
Date:   Wed Oct 2 22:02:14 2019 -0500

    help/C/extensions.page: corrected wiki link
    
    Link markup was going to gthumb, but wiki requires Gthumb. Replaced.
    
    Fixed https://gitlab.gnome.org/GNOME/gthumb/issues/2

 help/C/extensions.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/extensions.page b/help/C/extensions.page
index 30c2147f..1bbffea9 100644
--- a/help/C/extensions.page
+++ b/help/C/extensions.page
@@ -18,7 +18,7 @@ id="gthumb-extensions">
   extensions are actually enabled.</p>
 
   <p>If you would like to write your own extension, please visit
-  <link href="https://wiki.gnome.org/Apps/gthumb";>https://wiki.gnome.org/Apps/gthumb</link>
+  <link href="https://wiki.gnome.org/Apps/Gthumb";>https://wiki.gnome.org/Apps/Gthumb</link>
   for development information. An example extension is provided in the source
   code, which you can base your own extension on.</p>