diff --git a/i2c_master.c b/i2c_master.c
index e2de25e..8fc17c5 100644
--- a/i2c_master.c
+++ b/i2c_master.c
@@ -88,9 +88,6 @@ enum i2c_master_rc i2c_master_start(void)
 	// don't check BUSY flag as this might be for a re-start
 	I2C_CR2 |= I2C_CR2_START; // sent start condition
 
-	// in theory, when the START condition is sent, CR2_START is cleared, SR1_SB is set, and SR3_MSL is sent
-	// in practice this is not synchronous, and the TRM doesn't document it
-
 	I2C_SR2 = 0; // clear error flags
 	rim(); // enable interrupts
 	while ((I2C_CR2 & I2C_CR2_START) || !(I2C_SR1 & I2C_SR1_SB) || !(I2C_SR3 & I2C_SR3_MSL)) { // wait until start condition has been accepted, send, and we are in aster mode