diff --git a/mariadb/README.md b/mariadb/README.md
index 7ae1a76c9..eb2d2e2f5 100644
--- a/mariadb/README.md
+++ b/mariadb/README.md
@@ -66,7 +66,7 @@ The intent is also to maintain high compatibility with MySQL, ensuring a library
 Starting a MariaDB instance is simple:
 
 ```console
-$ docker run --port 127.0.0.1:3306:3306  --name some-mariadb -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mariadb:tag
+$ docker run -p 127.0.0.1:3306:3306  --name some-mariadb -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mariadb:tag
 ```
 
 or: