diff --git a/src/lib/ebus/device.h b/src/lib/ebus/device.h
index 213f6780..d698ad7b 100755
--- a/src/lib/ebus/device.h
+++ b/src/lib/ebus/device.h
@@ -225,7 +225,7 @@ class Device {
    * Read a single byte.
    * @param value the reference in which the read byte value is stored.
    * @param isAvailable the result of the immediately preceding call to @a available().
-   * @param arbitrationState the variable in which to store the received arbitration state (mandatory for enhanced proto).
+   * @param arbitrationState the variable in which to store the current/received arbitration state (mandatory for enhanced proto).
    * @param incomplete the variable in which to store when a partial transfer needs another poll.
    * @return true on success, false on error.
    */