diff --git a/Compatible-boards.md b/Compatible-boards.md
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--- a/Compatible-boards.md
+++ b/Compatible-boards.md
@@ -1,5 +1,7 @@
 # Intro
-All work was done on ESP32-WROOM with custom made **RA-01**/**SX1278** **E22-400M30S**/**SX1268** LoRa board, Arduino Board is "ESP32 Dev Module". 
+All work was done on ESP32-WROOM with custom made dual module **RA-01**/**SX1278**, **E22-400M30S**/**SX1268** LoRa board.
+
+Arduino Board is "ESP32 Dev Module". 
 
 Prototype development board schematics is available at https://github.com/sh123/lora_tracker.