diff --git a/Protocols_Details.md b/Protocols_Details.md
index ac18a65..2c3fd8b 100644
--- a/Protocols_Details.md
+++ b/Protocols_Details.md
@@ -51,7 +51,7 @@ Extended limits supported
 
 Telemetry enabled for A0, A1, RSSI, TSSI and Hub
 
-Option=fine frequency tuning. This value is dependant of the board. To determine the option value, find the two limits where the Rx loses connection then set the option value to half way between them.
+Option=fine frequency tuning. This value is different for each board. To determine the option value, find the two limits where the RX loses connection then set the option value to half way between them.
 
 CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8
 ---|---|---|---|---|---|---|---
@@ -64,7 +64,7 @@ Extended limits supported
 
 Telemetry enabled for A1 (RxBatt), A2, RSSI, TSSI and Hub
 
-Option=fine frequency tuning. This value is dependant of the board. To determine the option value, find the two limits where the Rx loses connection then set the option value to half way between them.
+Option=fine frequency tuning. This value is different for each board. To determine the option value, find the two limits where the RX loses connection then set the option value to half way between them.
 
 ###Sub_protocol CH_16
 CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8|CH9|CH10|CH11|CH12|CH13|CH14|CH15|CH16
@@ -79,7 +79,7 @@ CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8
 ##SFHSS
 Models: Futaba RXs and XK models.
 
-Option=fine frequency tuning. This value is dependant of the board. To determine the option value, find the two limits where the Rx loses connection then set the option value to half way between them.
+Option=fine frequency tuning. This value is different for each board. To determine the option value, find the two limits where the RX loses connection then set the option value to half way between them.
 
 CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8
 ---|---|---|---|---|---|---|---