bump version, tweak README

Author: jwahlstrand

Project.toml

@@ -1,6 +1,6 @@
 name = "Gtk4Makie"
 uuid = "478199e7-b407-4926-87ea-7196203a28d8"
-version = "0.3.2"
+version = "0.3.3"
 
 [deps]
 Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"

README.md

@@ -60,7 +60,7 @@ push!(p[2],scatter(rand(10)))
 show(win)
 ```
 
-The `push!` function adds a Makie `Figure` to the widget. When modifying Makie plots in a callback, you **must** call `Gtk4.make_current` on the corresponding widget. See the "widgets.jl" example for a demonstration of how to use the widget.
+The `push!` function adds a Makie `Figure` to the widget. Before modifying Makie plots in a callback, you **must** call `Gtk4.make_current` on the corresponding widget to ensure that the right OpenGL context will be modified. See the "widgets.jl" example for a demonstration of how to use the widget.
 
 ### Bonus functionality