[gtk/ebassi/gidocgen] aboutdialog: tweak the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 8893e74f88c9f4b82b13c42d16de975f3a8de38d
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 19 14:50:49 2021 -0500

    aboutdialog: tweak the docs
    
    Add a short summary.

 gtk/gtkaboutdialog.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkaboutdialog.c b/gtk/gtkaboutdialog.c
index da1ffc6c0e..eda24c620a 100644
--- a/gtk/gtkaboutdialog.c
+++ b/gtk/gtkaboutdialog.c
@@ -66,8 +66,9 @@
  * @Title: GtkAboutDialog
  *
  * The `GtkAboutDialog` offers a simple way to display information about
- * a program like its logo, name, copyright, website and license. It is
- * also possible to give credits to the authors, documenters, translators
+ * a program like its logo, name, copyright, website and license.
+ *
+ * It is also possible to give credits to the authors, documenters, translators
  * and artists who have worked on the program. An about dialog is typically
  * opened when the user selects the `About` option from the `Help` menu.
  * All parts of the dialog are optional.