[libadwaita/wip/exalm/alpha3: 1/3] doc: A few migration guide fixes

[Alexander Mikhaylenko <alexm src gnome org>]

commit 00d53196320db1f6b4be62db528cb390475d13c6
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Sep 28 13:15:30 2021 +0500

    doc: A few migration guide fixes

 doc/migrating-libhandy-1-4-to-libadwaita.md | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/doc/migrating-libhandy-1-4-to-libadwaita.md b/doc/migrating-libhandy-1-4-to-libadwaita.md
index dc0578e8..7990aa1c 100644
--- a/doc/migrating-libhandy-1-4-to-libadwaita.md
+++ b/doc/migrating-libhandy-1-4-to-libadwaita.md
@@ -81,7 +81,7 @@ replacement and you can instead create your own objects to store those values.
 
 If your application is setting [property@Gtk.Settings:gtk-application-prefer-dark-theme]
 to `TRUE` to request dark appearance, consider setting `HdyStyleManager:color-scheme`
-to `HDY_COLOR_SCHEME_DARK_FORCE_LIGHT` or `HDY_COLOR_SCHEME_FORCE_DARK` instead,
+to `HDY_COLOR_SCHEME_PREFER_DARK` or `HDY_COLOR_SCHEME_FORCE_DARK` instead,
 as needed.
 
 In libadwaita this will be the only way to request dark appearance.
@@ -297,7 +297,7 @@ and setter. It can be replaced by [property@Adw.Avatar:custom-image].
 The `hdy_avatar_draw_to_pixbuf()` and `hdy_avatar_draw_to_pixbuf_async()`
 functions have been removed, use the newly added
 [method@Adw.Avatar.draw_to_texture] instead. [class@Gdk.Texture] implements
-`[iface Gio Icon], so it should just work for that case.
+[iface Gio Icon], so it should just work for that case.
 
 [method@Adw.Avatar.draw_to_texture] does not have the `size` parameter. Instead,
 it uses the avatar's current size, with no replacement.
@@ -357,8 +357,6 @@ The following buttons keep default appearance:
 * Buttons with the `.suggested-action` or `.destructive-action` style classes.
 * Buttons with the `.raised` style class.
 
-The following adjustments can be done to ensure consistent button appearance.
-
 It's important to avoid ambiguous layouts, for example text-only buttons with
 no icon, since such a button would be indistinguishable from the window title
 without hovering it.