diff --git a/src/SensirionI2CSgp40.h b/src/SensirionI2CSgp40.h
index a691bac..b20c260 100644
--- a/src/SensirionI2CSgp40.h
+++ b/src/SensirionI2CSgp40.h
@@ -50,7 +50,7 @@ class SensirionI2CSgp40 {
     /**
      * begin() - Initializes the SensirionI2CSgp40 class.
      *
-     * @param serial Arduino stream object to be communicated with.
+     * @param i2cBus Arduino stream object to use for communication.
      *
      */
     void begin(TwoWire& i2cBus);