Update cluster-autoscaling.md

Author: fgogolli

content/en/docs/concepts/cluster-administration/cluster-autoscaling.md

@@ -88,7 +88,7 @@ cloud providers:
 
 The [descheduler](https://github.com/kubernetes-sigs/descheduler) can help you
 consolidate Pods onto a smaller number of nodes, to help with automatic scale down
-when the cluster has space capacity.
+when the cluster has spare capacity.
 
 ### Sizing a workload based on cluster size