From c2ead6aa6f823371d6a57f744b3260940d88dc06 Mon Sep 17 00:00:00 2001
From: vany5921 <908744431@qq.com>
Date: Thu, 18 Jun 2020 18:40:27 +0800
Subject: [PATCH] Update power.md

---
 docs/en/api/power.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/api/power.md b/docs/en/api/power.md
index 1b9ea243..32be9a1b 100644
--- a/docs/en/api/power.md
+++ b/docs/en/api/power.md
@@ -388,7 +388,7 @@ No argument.
 
 **Syntax:**
 
-<mark>bool getBatteryLevel()</mark>
+<mark>int8_t getBatteryLevel()</mark>
 
 **Description:**