diff --git a/README.md b/README.md
index 118a86d0..3d8fb767 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,7 @@ braudrate:9600
     end)
 ```
 
-####Use DS18B20 module extends your NODEMCU
+####Use DS18B20 module extends your esp8266
 ```lua
     -- read temperature with DS18B20
     t=require("ds18b20")
@@ -193,4 +193,4 @@ braudrate:9600
 #Check this out
 Tencent QQ group: 309957875<br/>
 [nodemcu wiki](https://github.com/nodemcu/nodemcu-firmware/wiki)<br/>
-[nodemcu.com](http://www.nodemcu.com)
\ No newline at end of file
+[nodemcu.com](http://www.nodemcu.com)