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-rw-r--r--Documentation/i2c/i2c-protocol.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/i2c/i2c-protocol.rst b/Documentation/i2c/i2c-protocol.rst
index 66adac3a5afd..9a4ac944cf9d 100644
--- a/Documentation/i2c/i2c-protocol.rst
+++ b/Documentation/i2c/i2c-protocol.rst
@@ -11,7 +11,7 @@ Key to symbols
S Start condition
P Stop condition
Rd/Wr (1 bit) Read/Write bit. Rd equals 1, Wr equals 0.
-A, NA (1 bit) Accept and reverse accept bit.
+A, NA (1 bit) Acknowledge (ACK) and Not Acknowledge (NACK) bit
Addr (7 bits) I2C 7 bit address. Note that this can be expanded as usual to
get a 10 bit I2C address.
Comm (8 bits) Command byte, a data byte which often selects a register on