diff --git a/README.md b/README.md
index 84f3afa..3a91daf 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ This script automates installing Wordpress with all specific BIJ1 plugins,
 template and Advanced Custom Fields settings.
 
 Steps:
+- install `php`
 - First you have to setup a database, e.g. for MariaDB/MySQL (substituting `$WORDPRESS_DB_USER`, `$db`, `$password`):
   - ```sql
     CREATE USER '$WORDPRESS_DB_USER'@'localhost' IDENTIFIED BY '$password';
@@ -13,7 +14,7 @@ Steps:
     GRANT ALL PRIVILEGES ON $db.* TO '$WORDPRESS_DB_USER'@'localhost';
     ```
 - Put the files here where you want to install WordPress, and navigate there.
-- Start the installer by running `./install.sh`.
+- Start the installer by running `sudo bash ./install.sh`.
 - Note down the `bij1admin` password that's generated during installation.
 - Tweak the BIJ1 specific settings in `wp-config.php`.