[gtk+] docs: Don't mark up numbers

[Benjamin Otte <otte src gnome org>]

commit 104be175fcc137f59a0ff8ce8005f5868a4d3f43
Author: Benjamin Otte <otte redhat com>
Date:   Thu Jan 17 02:12:44 2013 +0100

    docs: Don't mark up numbers

 gtk/gtktreeviewcolumn.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreeviewcolumn.c b/gtk/gtktreeviewcolumn.c
index e9b0ac6..a28c9d3 100644
--- a/gtk/gtktreeviewcolumn.c
+++ b/gtk/gtktreeviewcolumn.c
@@ -394,7 +394,7 @@ gtk_tree_view_column_class_init (GtkTreeViewColumnClass *class)
    * GtkTreeViewColumn:sort-column-id:
    *
    * Logical sort column ID this column sorts on when selected for sorting. Setting the sort column ID makes the column header
-   * clickable. Set to %-1 to make the column unsortable.
+   * clickable. Set to -1 to make the column unsortable.
    *
    * Since: 2.18
    **/