diff --git a/install.sh b/install.sh
index 0829133f0..d9bed9a4b 100755
--- a/install.sh
+++ b/install.sh
@@ -46,7 +46,7 @@ Usage:
       Sets the prefix used by standalone release archives. Defaults to ~/.local
       The release is unarchived into ~/.local/lib/code-server-X.X.X
       and the binary symlinked into ~/.local/bin/code-server
-      To install system wide pass ---prefix=/usr/local
+      To install system wide pass --prefix=/usr/local
 
   --rsh <bin>
       Specifies the remote shell for remote installation. Defaults to ssh.