[gimp] app: some typo fix.

[Jehan <jehanp src gnome org>]

commit 3e47e395a5f8865ebab9f025ddc4f900fc5fb5aa
Author: Jehan <jehan girinstud io>
Date:   Thu Jan 27 23:35:50 2022 +0100

    app: some typo fix.
    
    Found while looking at this part of the code.

 app/core/gimpviewable.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/core/gimpviewable.c b/app/core/gimpviewable.c
index c1a08e1f75..d0b0ad87d0 100644
--- a/app/core/gimpviewable.c
+++ b/app/core/gimpviewable.c
@@ -1224,8 +1224,8 @@ gimp_viewable_get_icon_name (GimpViewable *viewable)
  * @viewable: viewable object to assign the specified icon name.
  * @icon_name: string containing an icon name identifier.
  *
- * Seta the object's icon name, for use in constructing iconic smbols
- * of the object.  The contents of @icon_name are copied, so you can
+ * Set the object's icon name, for use in constructing iconic symbols
+ * of the object. The contents of @icon_name are copied, so you can
  * free it when you are done with it.
  **/
 void