From b7c0d5824f3a979c2f157faf1c9e94ec8b112bf1 Mon Sep 17 00:00:00 2001
From: vany5921 <908744431@qq.com>
Date: Mon, 13 Jan 2020 20:56:47 +0800
Subject: [PATCH] fix mistak

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

diff --git a/docs/en/unit/heart.md b/docs/en/unit/heart.md
index 72a9b417..be037a70 100644
--- a/docs/en/unit/heart.md
+++ b/docs/en/unit/heart.md
@@ -12,7 +12,7 @@
 
 MAX30100 is a complete pulse oximetry and heartrate sensor system solution designed for the demanding requirements of wearable devices. The MAX30100 provides very small total solution size without sacrificing optical or electrical performance. Minimal external hardware components are needed for integration into a wearable device.
 
-- How do we use this Unit to test the heart rate and ?
+- How do we use this Unit to test the heart rate ?
 **Put your finger on the detection area.**
 
 - What is the communication  protocol between M5 core and this unit?