fix typo

README.md

@@ -1,6 +1,6 @@
 # vaultwarden
 
-Custom image for VAULTWARDEN password manager
+Custom image for Vaultwarden password manager
 
 [![Build Status](https://img.shields.io/drone/build/docker/vaultwarden?logo=drone&server=https%3A%2F%2Fdrone.rknet.org)](https://drone.rknet.org/docker/vaultwarden)
 [![Docker Hub](https://img.shields.io/badge/dockerhub-latest-blue.svg?logo=docker&logoColor=white)](https://hub.docker.com/r/thegeeklab/vaultwarden)