OSDOCS-5488: fix typo

Author: ShaunaDiaz

microshift_getting_started/microshift-architecture.adoc

@@ -13,7 +13,7 @@ Learn the specifics of {product-title} architecture including design intent, how
 == Architectural design
 {product-title} is a single-node container orchestration runtime designed to extend the benefits of using containers for running applications to low-resource edge environments. Because {product-title} is primarily a platform for deploying applications, only the APIs and features essential to operating in edge and small form factor computing environments are included.
 
-For example, {product-title} is contains only the following Kubernetes cluster capabilities:
+For example, {product-title} contains only the following Kubernetes cluster capabilities:
 
 * Networking
 * Ingress