Fix grammar error

Author: binoculars

content/en/docs/tasks/run-application/horizontal-pod-autoscale.md

@@ -377,7 +377,7 @@ You specify these behaviours by setting `scaleUp` and / or `scaleDown`
 under the `behavior` field.
 
 You can specify a _stabilization window_ that prevents [flapping](#flapping)
-the replica count for a scaling target. Scaling policies also let you controls the
+the replica count for a scaling target. Scaling policies also let you control the
 rate of change of replicas while scaling.
 
 ### Scaling policies