From f07f8d5f010a0172c5fd57a2fa9d7767279cd32b Mon Sep 17 00:00:00 2001
From: whoif <3140103604@zju.edu.cn>
Date: Wed, 3 Feb 2021 16:57:01 +0800
Subject: [PATCH] Update controller.md

Lowercase 's' to prevent misleading APIS as a whole word.
---
 content/en/docs/concepts/architecture/controller.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/en/docs/concepts/architecture/controller.md b/content/en/docs/concepts/architecture/controller.md
index 5ab2cb970a..711cf38363 100644
--- a/content/en/docs/concepts/architecture/controller.md
+++ b/content/en/docs/concepts/architecture/controller.md
@@ -102,7 +102,7 @@ Other control loops can observe that reported data and take their own actions.
 In the thermostat example, if the room is very cold then a different controller
 might also turn on a frost protection heater. With Kubernetes clusters, the control
 plane indirectly works with IP address management tools, storage services,
-cloud provider APIS, and other services by
+cloud provider APIs, and other services by
 [extending Kubernetes](/docs/concepts/extend-kubernetes/) to implement that.
 
 ## Desired versus current state {#desired-vs-current}