diff --git a/README.md b/README.md
index 727db7d..bbf92ae 100644
--- a/README.md
+++ b/README.md
@@ -13,37 +13,16 @@ MPR121 Capacitive Touch switch.
 esp-idf v4.4 or later.   
 This is because this version supports ESP32-C3.   
 
-# Installation for ESP32
+# Installation
 
 ```Shell
 git clone https://github.com/nopnop2002/esp-idf-mpr121
 cd esp-idf-mpr121
-idf.py set-target esp32
+idf.py set-target {esp32/esp32s2/esp32s3/esp32c3}
 idf.py menuconfig
 idf.py flash
 ```
 
-# Installation for ESP32-S2
-
-```Shell
-git clone https://github.com/nopnop2002/esp-idf-mpr121
-cd esp-idf-mpr121
-idf.py set-target esp32s2
-idf.py menuconfig
-idf.py flash
-```
-
-# Installation for ESP32-C3
-
-```Shell
-git clone https://github.com/nopnop2002/esp-idf-mpr121
-cd esp-idf-mpr121
-idf.py set-target esp32c3
-idf.py menuconfig
-idf.py flash
-```
-
-
 # Configuration   
 
 ![config-top](https://user-images.githubusercontent.com/6020549/147515950-b6e2cf2f-5a82-4114-a565-df7a78085c8d.jpg)