diff --git a/README.install b/README.install
index 2056616..f6c4175 100644
--- a/README.install
+++ b/README.install
@@ -58,7 +58,7 @@
    -  create configuration file 'install_update_dovecot.conf'
          cp -a conf install_update_dovecot.conf.sample install_update_dovecot.conf
    - adjust configuration file 'install_update_dovecot.conf' to your needs
-   - run script 'install_update_dovecot.sh'
+   - run script 'install_update_dovecot-2.4.sh' # the old one was: 'install_update_dovecot.sh'
 
    Note:
       Maybe you have to finish installing postfixadmin, i.e creating admin account(s).