[gtk/ebassi/gidocgen] viewport: Tweak docs

[Matthias Clasen <matthiasc src gnome org>]

commit 180294913e4df3f121be219ec8006e5f6fc81f03
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 1 01:42:20 2021 -0500

    viewport: Tweak docs

 gtk/gtkviewport.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkviewport.c b/gtk/gtkviewport.c
index 09c68627d4..1e9e4e1235 100644
--- a/gtk/gtkviewport.c
+++ b/gtk/gtkviewport.c
@@ -40,9 +40,8 @@
 /**
  * GtkViewport:
  *
- * The `GtkViewport` widget acts as an adaptor class, implementing
- * scrollability for child widgets that lack their own scrolling
- * capabilities.
+ * `GtkViewport` implements scrollability for widgets that lack their
+ * own scrolling capabilities.
  *
  * Use `GtkViewport` to scroll child widgets such as `GtkGrid`,
  * `GtkBox`, and so on.