diff --git a/README.md b/README.md
index 78a5e9f..678dbc6 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,8 @@ password (a 32-byte random password generated when logging in).
 
 hydroxide can be used in multiple modes.
 
+> Don't start hydroxide multiple times, instead you can use `hydroxide server`.
+
 ### SMTP
 
 To run hydroxide as an SMTP server: