[gtk/doc-tweaks: 1/4] Fix documentation syntax

[Matthias Clasen <matthiasc src gnome org>]

commit ab6a5be0f860c29432b4a8e9d3a4cd3bbad0a63a
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu May 20 19:16:59 2021 -0400

    Fix documentation syntax
    
    Properties use : in their link syntax.

 gtk/gtkgridview.c | 2 +-
 gtk/gtklistview.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkgridview.c b/gtk/gtkgridview.c
index 3de7f2f7c2..8a8b2f1346 100644
--- a/gtk/gtkgridview.c
+++ b/gtk/gtkgridview.c
@@ -73,7 +73,7 @@
  * ```
  *
  * `GtkGridView` uses a single CSS node with name `gridview`. Each child uses
- * a single CSS node with name `child`. If the [property@Gtk.ListItem.activatable]
+ * a single CSS node with name `child`. If the [property@Gtk.ListItem:activatable]
  * property is set, the corresponding row will have the `.activatable` style
  * class. For rubberband selection, a subnode with name `rubberband` is used.
  *
diff --git a/gtk/gtklistview.c b/gtk/gtklistview.c
index 624bfbd4fd..c1476b1fe5 100644
--- a/gtk/gtklistview.c
+++ b/gtk/gtklistview.c
@@ -128,7 +128,7 @@
  * `GtkListView` uses a single CSS node named `listview`. It may carry the
  * `.separators` style class, when [property@Gtk.ListView:show-separators]
  * property is set. Each child widget uses a single CSS node named `row`.
- * If the [property@Gtk.ListItem.activatable] property is set, the
+ * If the [property@Gtk.ListItem:activatable] property is set, the
  * corresponding row will have the `.activatable` style class. For
  * rubberband selection, a node with name `rubberband` is used.
  *