diff --git a/README.md b/README.md
index ee8fc19..d60c779 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,10 @@ pick one:
 - `usage-monitor_X.Y.Z_amd64.AppImage`: make it executable
   (`chmod +x`) and run it. Like the Windows exe it is portable and keeps
   `settings.json` next to the AppImage file, so give it a folder you can
-  write to. The AppImage self-updates in place.
+  write to. The AppImage self-updates in place. If you turned on "Start
+  at login" in v0.6.0 or earlier and the AppImage path contains a space,
+  turn it off and on again once: those releases wrote the path unquoted,
+  so the app never started at login.
 - `usage-monitor_X.Y.Z_amd64.deb`: install it with
   `sudo apt install ./usage-monitor_X.Y.Z_amd64.deb`. The app
   still checks for updates, but installing one is left to you: download the