Merge pull request nginx-proxy#1328 from dnmvisser/patch-1

Typo

Author: jwilder

README.md

@@ -181,7 +181,7 @@ Finally, start your containers with `VIRTUAL_HOST` environment variables.
     $ docker run -e VIRTUAL_HOST=foo.bar.com  ...
 ### SSL Support using letsencrypt
 
-[letsencrypt-nginx-proxy-companion](https://github.com/JrCs/docker-letsencrypt-nginx-proxy-companion) is a lightweight companion container for the nginx-proxy. It allow the creation/renewal of Let's Encrypt certificates automatically.
+[letsencrypt-nginx-proxy-companion](https://github.com/JrCs/docker-letsencrypt-nginx-proxy-companion) is a lightweight companion container for the nginx-proxy. It allows the creation/renewal of Let's Encrypt certificates automatically.
 
 Set `DHPARAM_GENERATION` environment variable to `false` to disabled Diffie-Hellman parameters completely. This will also ignore auto-generation made by `nginx-proxy`.
 The default value is `true`