docs: fix typo (#1491)

ronething · web-flow · commit afbc4f736948 · 2022-12-06T10:25:16.000+08:00
diff --git a/docs/en/latest/concepts/apisix_upstream.md b/docs/en/latest/concepts/apisix_upstream.md
@@ -174,7 +174,7 @@ metadata:
 spec:
   selector:
     app: foo
-  portLevelSettings:
+  ports:
   - name: http
     port: 7000
     targetPort: 7000
