chore: fix typo in haproxy readme

haproxy/README.md

@@ -29,6 +29,6 @@ In your docker-compose.yml template, the HAproxy container declaration will requ
 *Note*: For Docker Desktop on Mac users, if you wish to expose HAproxy to your host, you will have to set this as `0.0.0.0`, to expose it as `localhost` outside of the docker network.
 - HAPROXY_PORT: The port you wish HAProxy to run on. Defaults to 5984.
 - COUCHDB_SERVERS: Comma separated list of the docker service name or fqdn of the CouchDB servers. Example: `couchdb-1.local,couchdb-2.local,couchdb-3.local`.
-- COUCHDB_USER: The admininstrator that created the couchdb cluster
+- COUCHDB_USER: The administrator that created the couchdb cluster
 - COUCHDB_PASSWORD: The above admin's password
 - HEALTHCHECK_ADDR: Address to the haproxy healthcheck service