[libadwaita/wip/exalm/docs: 8/8] doc: Add a few missing GtkBox links

[Alexander Mikhaylenko <alexm src gnome org>]

commit 95bc4be630c2b92f354dccc2bc9267f2a9e87776
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Dec 28 14:49:27 2021 +0500

    doc: Add a few missing GtkBox links

 doc/migrating-between-development-versions.md | 2 +-
 doc/migrating-libhandy-1-4-to-libadwaita.md   | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/doc/migrating-between-development-versions.md b/doc/migrating-between-development-versions.md
index 41299ca5..183e0951 100644
--- a/doc/migrating-between-development-versions.md
+++ b/doc/migrating-between-development-versions.md
@@ -180,7 +180,7 @@ One exception are the two primary buttons in a dialog, for example, "Cancel" and
 
 #### Adjusting Split Buttons
 
-If you had split buttons implemented via a `GtkBox` with the
+If you had split buttons implemented via a [class Gtk Box] with the
 [`.linked`](style-classes.html#linked-controls) style class and two buttons
 packed inside, use [class@SplitButton] as follows:
 
diff --git a/doc/migrating-libhandy-1-4-to-libadwaita.md b/doc/migrating-libhandy-1-4-to-libadwaita.md
index d3a49cf9..4192b99e 100644
--- a/doc/migrating-libhandy-1-4-to-libadwaita.md
+++ b/doc/migrating-libhandy-1-4-to-libadwaita.md
@@ -33,8 +33,8 @@ of all deprecated symbols.
 
 Following GTK4's emphasis on composition and delegation over subclassing,
 [class@Leaflet] and [class@HeaderBar] are no longer derivable. As a replacement,
-you can subclass `GtkBin` or `GtkBox` and include a leaflet or a header bar as a
-child widget.
+you can subclass `GtkBin` or [class Gtk Box] and include a leaflet or a header
+bar as a child widget.
 
 ### Stop Using `HdyKeypad`
 
@@ -518,7 +518,7 @@ One exception are the two primary buttons in a dialog, for example, "Cancel" and
 
 #### Adjusting Split Buttons
 
-If you had split buttons implemented via a `GtkBox` with the
+If you had split buttons implemented via a [class Gtk Box] with the
 [`.linked`](style-classes.html#linked-controls) style class and two buttons
 packed inside, use [class@SplitButton] as follows: