Merge pull request #26004 from Arhell/upd

[zh] fix typo for clarity

Author: k8s-ci-robot

content/zh/docs/reference/scheduling/config.md

@@ -184,7 +184,7 @@ extension points:
 - `SelectorSpread`: Favors spreading across nodes for Pods that belong to
   {{< glossary_tooltip text="Services" term_id="service" >}},
   {{< glossary_tooltip text="ReplicaSets" term_id="replica-set" >}} and
-  {{< glossary_tooltip text="StatefulSets" term_id="statefulset" >}}
+  {{< glossary_tooltip text="StatefulSets" term_id="statefulset" >}}.
   Extension points: `PreScore`, `Score`.
 -->
 - `SelectorSpread`：对于属于 {{< glossary_tooltip text="Services" term_id="service" >}}、