Update docs/enhancements/MTO-0002-local-pod-placement.md

Co-authored-by: Paul Bastide <[email protected]>

docs/enhancements/MTO-0002-local-pod-placement.md

@@ -40,7 +40,7 @@ for different namespaces and a subset of pods within a namespace, given they are
 architectures or support cost-reduction strategies by running pods on cheaper nodes such as arm64 ones.
 
 ### User Stories
-- As a cluster administrator, I want to define different preferences for different namespaces and sub-set of pods within a namespace
+- As a cluster administrator, I want to define different preferences for different namespaces and a subset of pods within a namespace
 so that I can influence the node affinity scoring plugin with respect to the pod's preferred architectures at a namespace level.
 
 ### Goals