[gtk+] stylecontext: Fix doc comment

[Timm Bäder <baedert src gnome org>]

commit c1af127c2895492eae8ba90a3cb2259708a58b52
Author: Timm Bäder <mail baedert org>
Date:   Sun Oct 8 17:42:41 2017 +0200

    stylecontext: Fix doc comment
    
    There is no @cr here anymore.

 gtk/gtkstylecontext.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 2ee072c..12148cf 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -1955,7 +1955,7 @@ gtk_render_insertion_cursor (GtkStyleContext *context,
  * @index: the index in the #PangoLayout
  * @direction: the #PangoDirection of the text
  *
- * Draws a text caret on @cr at the specified index of @layout.
+ * Draws a text caret using @snapshot at the specified index of @layout.
  *
  * Since: 3.90
  **/