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-rw-r--r--Documentation/i2c/smbus-protocol.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/i2c/smbus-protocol.rst b/Documentation/i2c/smbus-protocol.rst
index 55e209c7e520..4942c4cad4ad 100644
--- a/Documentation/i2c/smbus-protocol.rst
+++ b/Documentation/i2c/smbus-protocol.rst
@@ -45,8 +45,8 @@ Addr (7 bits) I2C 7 bit address. Note that this can be expanded to
get a 10 bit I2C address.
Comm (8 bits) Command byte, a data byte which often selects a register on
the device.
-Data (8 bits) A plain data byte. Sometimes, I write DataLow, DataHigh
- for 16 bit data.
+Data (8 bits) A plain data byte. DataLow and DataHigh represent the low and
+ high byte of a 16 bit word.
Count (8 bits) A data byte containing the length of a block operation.
[..] Data sent by I2C device, as opposed to data sent by the host