diff --git a/README.md b/README.md
index 750a6e7..4ae8ebe 100644
--- a/README.md
+++ b/README.md
@@ -31,8 +31,8 @@ Modules, which are used by users and known to work
 # Development board
 Development board schematics, case and antenna models are available under `extras/cad` and `extras/schematics`. 
 
-Supported ESP32 boards are with 30 and 38 pinouts (configured with solder pads).
+Supported ESP32 boards are with 36 and 38 pinouts (configured with solder pads).
 
-⚠ **ESP32 socket on the devboard is for narrow ESP32 boards (22mm socket width), such as NodeMCU-32S, usually without labels! There are ESP32 boards with wider 25mm socket, these won't fit into the default devboard.**
+⚠ **There are ESP32 boards with different socket widths: 22mm and 25mm, board files for 25mm have _wide suffix in file names.**
 
 ![Modes of operation](extras/images/device.png)
diff --git a/extras/schematics/README.md b/extras/schematics/README.md
index 1640261..5fe2e76 100644
--- a/extras/schematics/README.md
+++ b/extras/schematics/README.md
@@ -7,4 +7,6 @@ Suitable for two different narrower ESP32 devkit board types with different pino
 
 Pinout configuration is done via solder pads.
 
+⚠ **There are ESP32 boards with different socket widths: 22mm and 25mm, board files for 25mm have _wide suffix in file names.**
+
 ![Board](../images/board.png)