diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index e1cf2e0..3a6903f 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -231,7 +231,11 @@
 
 static unsigned int disable_features;
 module_param(disable_features, uint, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(disable_features, "Disable selected driver features");
+MODULE_PARM_DESC(disable_features, "Disable selected driver features:\n"
+	"\t\t  0x01  disable SMBus PEC\n"
+	"\t\t  0x02  disable the block buffer\n"
+	"\t\t  0x08  disable the I2C block read functionality\n"
+	"\t\t  0x10  don't use interrupts ");
 
 /* Make sure the SMBus host is ready to start transmitting.
    Return 0 if it is, -EBUSY if it is not. */