diff --git a/extras/schematics/README.md b/extras/schematics/README.md
index e000045..1640261 100644
--- a/extras/schematics/README.md
+++ b/extras/schematics/README.md
@@ -1,6 +1,10 @@
 
 # ESP32 LoRa modem devboard
 
-This is small universal ESP32 devkit LoRa prototyping board for RA-01 or E22-400M30S modules on the same board. Suitable for two different ESP32 devkit types with different pinouts. Pinout configuration is done via solder pads.
+This is small universal ESP32 devkit LoRa prototyping board for RA-01 or E22-400M30S modules on the same board. 
+
+Suitable for two different narrower ESP32 devkit board types with different pinouts (38 pins and 36 pins). 
+
+Pinout configuration is done via solder pads.
 
 ![Board](../images/board.png)