diff --git a/boards/base/Embest-STM32-DMSTF4BB/readme.txt b/boards/base/Embest-STM32-DMSTF4BB/readme.txt
new file mode 100644
index 00000000..8095f1bb
--- /dev/null
+++ b/boards/base/Embest-STM32-DMSTF4BB/readme.txt
@@ -0,0 +1,7 @@
+This directory contains the interface for the Embest-STM32-DMSTF4BB board
+running ChibiOS/RT.
+
+As this is not a standard ChibiOS/RT supported board, the necessary board files have
+also been provided in the ChibiOS_Board directory - include that board.mk in your
+Makefile as well.
+