diff --git a/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel/readme.md b/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel/readme.md
index d582f12..f03fde0 100644
--- a/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel/readme.md
+++ b/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel/readme.md
@@ -1,4 +1,4 @@
-# Introudction
+# Introduction
 This multi-camera adapter board is designed for Raspberry pi ZERO and let your connect two 5MP cameras to Pi Zero.
 Only one of the two cameras can be activated at a time, the are working in alternate ways.
 
diff --git a/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel_uc444/readme.md b/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel_uc444/readme.md
index ea1a823..fc00985 100644
--- a/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel_uc444/readme.md
+++ b/Multi_Camera_Adapter/Multi_Adapter_Board_2Channel_uc444/readme.md
@@ -1,4 +1,4 @@
-## Introudction
+## Introduction
 This multi-camera adapter board is designed for Raspberry pi ZERO and let your connect two 8MP cameras to Pi Zero.
 Only one of the two cameras can be activated at a time, the are working in alternate ways.
 It can not run two cameras at the same time, but we build a simple software which can run two cameras and make it looks working as the same time.