[gtk] Fix syntax

[Matthias Clasen <matthiasc src gnome org>]

commit de299bb6bf192defdcfb575e03ad024dc4d87563
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 7 07:50:02 2020 -0500

    Fix syntax

 NEWS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index d2f611f3fa..991cafbebe 100644
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@ Overview of Changes in GTK 3.98.0
 =================================
 
   While this release gets significantly closer to what we aim for in GTK 4,
-  there are still a few big items outstanding that are we are currently work
+  there are still a few big items outstanding that we are currently working
   on.
 
   - Animation API