[gtk+] gskenums: Fix typo/grammar in GskRenderNodeType doc

[Daniel Boles <dboles src gnome org>]

commit 97b5f3d0296df9f086ac86df2a6a2347f58ed632
Author: Daniel Boles <dboles src gnome org>
Date:   Tue Aug 29 23:10:14 2017 +0100

    gskenums: Fix typo/grammar in GskRenderNodeType doc

 gsk/gskenums.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gsk/gskenums.h b/gsk/gskenums.h
index bc828b0..b2869e8 100644
--- a/gsk/gskenums.h
+++ b/gsk/gskenums.h
@@ -43,8 +43,8 @@
  * @GSK_CLIP_NODE: A node that clips its child to a rectangular area
  * @GSK_ROUNDED_CLIP_NODE: A node that clips its child to a rounded rectangle
  * @GSK_SHADOW_NODE: A node that draws a shadow below its child
- * @GSK_BLEND_NODE: A node the blends two children together
- * @GSK_CROSS_FADE_NODE: A node the cross-fades between two children
+ * @GSK_BLEND_NODE: A node that blends two children together
+ * @GSK_CROSS_FADE_NODE: A node that cross-fades between two children
  *
  * The type of a node determines what the node is rendering.
  *