Update Readme - small typo

Author: janavolkova9

README.md

@@ -2,7 +2,7 @@
 
 [![Docker Pulls](https://img.shields.io/docker/pulls/arangodb/kube-arangodb.svg)](https://hub.docker.com/r/arangodb/kube-arangodb/)
 
-ArangoDB Kubernetes Operator helps do run ArangoDB deployments
+ArangoDB Kubernetes Operator helps to run ArangoDB deployments
 on Kubernetes clusters.
 
 To get started, follow the Installation instructions below and/or