diff --git a/doc/MODULE_DESIGN.org b/doc/MODULE_DESIGN.org
index e87370e..db605d9 100644
--- a/doc/MODULE_DESIGN.org
+++ b/doc/MODULE_DESIGN.org
@@ -129,6 +129,8 @@ There is no limit to how many directories you could install into a single namesp
 
 There are some other users [[https://github.com/hpi/hpi][who have begun publishing their own modules]] as namespace packages, which you could potentially install and use, in addition to this repository, if any of those interest you.
 
+Though, enabling this many modules may make ~hpi doctor~ look pretty busy. You can explicilty choose to enable/disable modules with a list of modules/regexes in your [[https://github.com/karlicoss/HPI/blob/f559e7cb899107538e6c6bbcf7576780604697ef/my/core/core_config.py#L24-L55][core config]], see [[https://github.com/seanbreckenridge/dotfiles/blob/a1a77c581de31bd55a6af3d11b8af588614a207e/.config/my/my/config/__init__.py#L42-L72][here]] for an example.
+
 You may use the other modules or [[https://github.com/karlicoss/hpi-personal-overlay][my overlay]] as reference, but python packaging is already a complicated issue, before adding complexities like namespace packages and editable installs on top of it... If you're having trouble extending HPI in this fashion, you can open an issue here, preferably with a link to a repository and/or ~setup.py~ you're trying to use.
 
 * An Extendable module structure