From 07fa0939855ebcefb238aed67bfe9dff22942ebf Mon Sep 17 00:00:00 2001
From: Peter Hinch <peter@hinch.me.uk>
Date: Thu, 27 Feb 2020 10:04:35 +0000
Subject: [PATCH] README improvements.

---
 README.md | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 2715f42..d84bba7 100644
--- a/README.md
+++ b/README.md
@@ -269,15 +269,17 @@ Philips protocols.
 
 # 6. References
 
-The NEC protocol is described in these references:  
+[General information about IR](https://www.sbprojects.net/knowledge/ir/)
+
+The NEC protocol:  
 [altium](http://techdocs.altium.com/display/FPGA/NEC+Infrared+Transmission+Protocol)  
 [circuitvalley](http://www.circuitvalley.com/2013/09/nec-protocol-ir-infrared-remote-control.html)
 
-The Philips protocols may be found in these refs:  
+Philips protocols:  
 [RC5](https://en.wikipedia.org/wiki/RC-5)  
 [RC6](https://www.sbprojects.net/knowledge/ir/rc6.php)
 
-Sony protocol (future use):  
+Sony protocol:  
 [SIRC](https://www.sbprojects.net/knowledge/ir/sirc.php)
 
 # Appendix 1 NEC Protocol description
-- 
2.47.3