[gimp] app: fix comment typos.

[Jehan Pagès <jehanp src gnome org>]

commit 864e3df7a9e58fd675d810b9bccd66f6e74cc192
Author: Jehan <jehan girinstud io>
Date:   Tue Nov 14 04:45:13 2017 +0100

    app: fix comment typos.

 app/display/gimpdisplayshell-scale.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-scale.c b/app/display/gimpdisplayshell-scale.c
index 883805b..17eb0d4 100644
--- a/app/display/gimpdisplayshell-scale.c
+++ b/app/display/gimpdisplayshell-scale.c
@@ -338,11 +338,11 @@ gimp_display_shell_scale_update (GimpDisplayShell *shell)
 /**
  * gimp_display_shell_scale:
  * @shell:     the #GimpDisplayShell
- * @zoom_type: whether to zoom in, our or to a specific scale
+ * @zoom_type: whether to zoom in, out or to a specific scale
  * @scale:     ignored unless @zoom_type == %GIMP_ZOOM_TO
  *
  * This function figures out the context of the zoom and behaves
- * appropriatley thereafter.
+ * appropriately thereafter.
  *
  **/
 void