diff --git a/nixos/modules/services/desktops/gnome3/at-spi2-core.nix b/nixos/modules/services/desktops/gnome3/at-spi2-core.nix
index cca98c43dc7a..8fa108c4f9df 100644
--- a/nixos/modules/services/desktops/gnome3/at-spi2-core.nix
+++ b/nixos/modules/services/desktops/gnome3/at-spi2-core.nix
@@ -18,6 +18,9 @@ with lib;
         description = ''
           Whether to enable at-spi2-core, a service for the Assistive Technologies
           available on the GNOME platform.
+
+          Enable this if you get the error or warning
+          <literal>The name org.a11y.Bus was not provided by any .service files</literal>.
         '';
       };