diff --git a/modules/programs/firefox.nix b/modules/programs/firefox.nix
index 4d8bccaf..d5003f59 100644
--- a/modules/programs/firefox.nix
+++ b/modules/programs/firefox.nix
@@ -111,9 +111,19 @@ in
to list the available Firefox add-ons.
+
+
Note that it is necessary to manually enable these
extensions inside Firefox after the first installation.
+
+
+
+ Extensions listed here will only be available in Firefox
+ profiles managed through the
+ programs.firefox.profiles
+ option. This is due to recent changes in the way Firefox
+ handles extension side-loading.
'';
};