diff --git a/modules/history.nix b/modules/history.nix
index bfa7a1c..c63d39d 100644
--- a/modules/history.nix
+++ b/modules/history.nix
@@ -4,9 +4,8 @@ let
   icloud = "/Users/${username}/Library/Mobile Documents/com~apple~CloudDocs";
 in
 {
-  # Shell/REPL history synced through iCloud. Primary-account-only: only that
-  # user is signed into iCloud, so this is imported per-user in flake.nix rather
-  # than the shared darwin home layer (cm has no iCloud) or common.nix (VMs).
+  # Shell/REPL history synced through iCloud. Only accounts signed into iCloud
+  # can use this, so hosts/ imports it just for those (not cm, not VMs).
   home.file.".local/share/fish/fish_history".source =
     config.lib.file.mkOutOfStoreSymlink "${icloud}/fish_history";
   home.file.".irb_history".source = config.lib.file.mkOutOfStoreSymlink "${icloud}/.irb_history";