[gtk/docs-gtk-org] gtk3: Fix internal links

[Emmanuele Bassi <ebassi src gnome org>]

commit 8f650829cc34722932c3af93e583934b74fe5632
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Nov 7 23:20:49 2021 +0000

    gtk3: Fix internal links
    
    Use the appropriate fragment for the given type.

 gtk3/gtk/key-bindings.md   | 2 +-
 gtk3/gtk/migrating-2to3.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk3/gtk/key-bindings.md b/gtk3/gtk/key-bindings.md
index 4dea517a27..3a3b824a75 100644
--- a/gtk3/gtk/key-bindings.md
+++ b/gtk3/gtk/key-bindings.md
@@ -2,7 +2,7 @@ Title: Key Bindings
 
 # Key Bindings
 
-[`class@Gtk.BindingSet`] provides a mechanism for configuring GTK key bindings
+[`struct@Gtk.BindingSet`] provides a mechanism for configuring GTK key bindings
 through CSS files. This eases key binding adjustments for application
 developers as well as users and provides GTK users or administrators with
 high key binding configurability which requires no application or toolkit
diff --git a/gtk3/gtk/migrating-2to3.md b/gtk3/gtk/migrating-2to3.md
index 6e9a136533..b44e8680f1 100644
--- a/gtk3/gtk/migrating-2to3.md
+++ b/gtk3/gtk/migrating-2to3.md
@@ -154,7 +154,7 @@ on the circumstances:
   `gio-unix-2.0` pkg-config file when using [`ctor Gio DesktopAppInfo new`].
 
 - If you are launching a custom commandline, you can still use [`method@Gio.AppInfo.launch`]
-  with a [`class@Gio.AppInfo`] that is constructed with [`func@Gio.AppInfo.create_from_commandline`],
+  with a [`iface@Gio.AppInfo`] that is constructed with [`func@Gio.AppInfo.create_from_commandline`],
   or you can use the more lowlevel `g_spawn` family of functions (e.g.
   [`func@GLib.spawn_command_line_async`], and pass `DISPLAY` in the environment.
   [`method@Gdk.Screen.make_display_name`] can be used to find the right value for