diff --git a/README.md b/README.md
index 18d1916..3eaa88c 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
 # rpi-uart
 
-UART communication (with raspberry pi - in this case)
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+UART communication (with raspberry pi - in this case)
+
+# Also see
+https://blog.mbedded.ninja/programming/operating-systems/linux/linux-serial-ports-using-c-cpp/
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