Update README.md (zalando#133)

Jan-M · web-flow · commit 959b483d11c8 · 2017-10-12T18:24:10.000+02:00
diff --git a/README.md b/README.md
@@ -6,7 +6,7 @@
 
 The Postgres operator manages Postgres clusters in Kubernetes using the [operator pattern](https://coreos.com/blog/introducing-operators.html).
 During the initial run it registers the [Custom Resource Definition (CRD)](https://kubernetes.io/docs/concepts/api-extension/custom-resources/#customresourcedefinitions) for Postgres.
-The Postgresql CRD is essentially the schema that describes the contents of the manifests for deploying individual Postgres clusters using Statefulsets and Patroni.
+The Postgresql CRD is essentially the schema that describes the contents of the manifests for deploying individual Postgresql clusters using Statefulsets and Patroni.
 
 Once the operator is running, it performs the following actions:
 
