Typo-fixes (#1244)

docs/use/ir.md

@@ -50,7 +50,7 @@ If you don’t want to use special parameters for IR just use value key, the pro
 
 `mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoIR -m  '{"value":551489775}'`
 
-NOTE: on arduino Uno most of the protocols are not enable per default due to memory constraints (it is not the case for MEGA), to enable them go to [User_config.h](https://github.com/1technophile/OpenMQTTGateway/blob/master/main/User_config.h) and uncomment the #define corresponding the protocols you want:
+NOTE: on Arduino Uno most of the protocols are not enable per default due to memory constraints (it is not the case for MEGA), to enable them go to [User_config.h](https://github.com/1technophile/OpenMQTTGateway/blob/master/main/User_config.h) and uncomment the #define corresponding the protocols you want:
 
 ```cpp
 //#define IR_COOLIX
@@ -85,14 +85,14 @@ You should be able to command your devices without having listened with the IR r
 ## Send data by MQTT with advanced IR parameters
 IR sending support two advanced parameters; bits length and repeat number.
 
-The example below will send the following advanced parameters bits: 14 and repeat:4 times for a sony protocol:
+The example below will send the following advanced parameters bits: 14 and repeat:4 times for a Sony protocol:
 ```
 mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoIR -m '{"value":551489775,"protocol_name":"NEC","repeat":4,"bits":14}'
 ```
 
 ## Send raw IR data by MQTT
 
-2) If you use an arduino UNO enable `IR_Raw` by uncommenting the line 129 in User_config.h
+2) If you use an Arduino UNO enable `IR_Raw` by uncommenting the line 129 in User_config.h
 `#define IR_Raw`
 If you are using the uno you will have to comment other gateway like ZgatewayRF, ZgatewayBT and ZgatewayIR to keep enough memory