diff --git a/README.md b/README.md
index efbd1f4..09d4ab6 100644
--- a/README.md
+++ b/README.md
@@ -56,4 +56,4 @@ IRext is an open-source infrared remote control library. This example provides a
 
 ## License
 
-Please refer to the IRext repository for license information.
+Please refer to the IRext repository for license information.
diff --git a/android-example/README.md b/android-example/README.md
index 2d7017e..46e66cd 100644
--- a/android-example/README.md
+++ b/android-example/README.md
@@ -59,4 +59,15 @@ Android APP remote controller.
 
 Well by connecting to the Arduino controller with IP address in the same LAN, the Android APP can send the downloaded remote control binary to it, 
 and then pass the remote control command by pressing buttons accordingly. The Arduino remote controller would decode the IR time series instead and send the
-38KHz infra-red carrier waves to home appliances.
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+38KHz infra-red carrier waves to home appliances.
+
+
+## Related Links
+
+- IRext Official Site: https://irext.net
+- IRext Documentation: https://site.irext.net/doc
+- IRext GitHub: https://github.com/irext
+
+## License
+
+Please refer to the IRext repository for license information.
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diff --git a/arduino-example/README.md b/arduino-example/README.md
index 4f62b4b..aa98517 100644
--- a/arduino-example/README.md
+++ b/arduino-example/README.md
@@ -46,4 +46,15 @@ The system:
 3. Uses the IR decode API to generate the appropriate raw IR signal data
 4. Transmits the IR signal using the IRremote library on pin 3
 
-The system supports various IR protocols and device types through its modular decoder architecture located in the [src/ir_decode](src/ir_decode) directory.
\ No newline at end of file
+The system supports various IR protocols and device types through its modular decoder architecture located in the [src/ir_decode](src/ir_decode) directory.
+
+
+## Related Links
+
+- IRext Official Site: https://irext.net
+- IRext Documentation: https://site.irext.net/doc
+- IRext GitHub: https://github.com/irext
+
+## License
+
+Please refer to the IRext repository for license information.
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