diff --git a/configs/olimex-stm32-p407/README.txt b/configs/olimex-stm32-p407/README.txt
index 646442a2fa..8ec5c47938 100644
--- a/configs/olimex-stm32-p407/README.txt
+++ b/configs/olimex-stm32-p407/README.txt
@@ -190,6 +190,21 @@ OTGFS Host
     CONFIG_FAT_LFN=y
     CONFIG_FAT_MAXFNAME=32
 
+  This will enable USB HID keyboard support:
+
+    CONFIG_USBHOST_HIDKBD=y
+    CONFIG_HIDKBD_BUFSIZE=64
+    CONFIG_HIDKBD_DEFPRIO=50
+    CONFIG_HIDKBD_POLLUSEC=100000
+    CONFIG_HIDKBD_STACKSIZE=1024
+
+  And this will enable the USB keyboard example:
+
+    CONFIG_EXAMPLES_HIDKBD=y
+    CONFIG_EXAMPLES_HIDKBD_DEFPRIO=50
+    CONFIG_EXAMPLES_HIDKBD_DEVNAME="/dev/kbda"
+    CONFIG_EXAMPLES_HIDKBD_STACKSIZE=1024
+
 Configurations
 ==============