doc: accommodate re-write of intro line

Author: Shabirmean

content/en/docs/concepts/overview/working-with-objects/namespaces.md

@@ -10,7 +10,7 @@ weight: 30
 
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-Namespaces in Kubernetes provides a mechanism for scoping cluster resources by name. Names of resources need to be unique within a namespace, but not across namespaces. Namespace-based scoping is applicable only for namespaced objects _(e.g. Deployments, Services, etc)_ and not for cluster-wide objects _(e.g. StorageClass, Nodes, PersistentVolumes, etc)_.
+In Kubernetes, _namespaces_ provides a mechanism for isolating groups of resources within a single cluster. Names of resources need to be unique within a namespace, but not across namespaces. Namespace-based scoping is applicable only for namespaced objects _(e.g. Deployments, Services, etc)_ and not for cluster-wide objects _(e.g. StorageClass, Nodes, PersistentVolumes, etc)_.
 
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