docs: fix typos, grammar, and formatting in FAQ and code comments

src/helpers/sensors/RAK12035_SoilMoisture.cpp

@@ -69,7 +69,7 @@ void RAK12035_SoilMoisture::setup(TwoWire &i2c)
 //
 // ***  This code does not support three sensors ***
 //      The RAK12023 has three connectors, but each of the sensors attached must
-//      all have a different I2C addresses.
+//      all have different I2C addresses.
 //      This code has a function to set the I2C address of a sensor
 //      and currently only supports one address 0x20 (the default).
 //      To support three sensors, EnvironmentSensorManager would need to be modified
@@ -242,7 +242,7 @@ bool RAK12035_SoilMoisture::sensor_sleep()                          //Command 06
 // Optional: turn off sensor power AFTER successful sleep command
 
 // This has been commented out due to a pin name conflict with the Heltec v3
-// This will need to be resolved if this funstion is to be utilized in the future
+// This will need to be resolved if this function is to be utilized in the future
 /*
     digitalWrite(WB_IO2, LOW);
 */
@@ -376,7 +376,7 @@ uint16_t RAK12035_SoilMoisture::get_humidity_zero()                 //Command 0B
  * getEvent() - High-level function to read both moisture and temperature in one call.      *
  *------------------------------------------------------------------------------------------*
  * This function reads the moisture percentage and temperature from the sensor and returns  *
- * them via output parameters. This may be used for the telemerty delivery in the MeshCore  *
+ * them via output parameters. This may be used for the telemetry delivery in the MeshCore  *
  * firmware, with a single function to get all sensor data.                                 *
  *                                                                                          *
  * The function returns true if both readings were successfully obtained, or false if any   *
@@ -417,7 +417,7 @@ bool RAK12035_SoilMoisture::sensor_on()
 {
     uint8_t data;
  // This has been commented out due to a pin name conflict with the Heltec v3
- // This will need to be resolved if this funstion is to be utilized in the future
+ // This will need to be resolved if this function is to be utilized in the future
 
 /*
     pinMode(WB_IO2, OUTPUT);
@@ -460,7 +460,7 @@ bool RAK12035_SoilMoisture::reset()
 //  But might be needed if power is ever switched off.  Here is tested code.
 
 // This has been commented out due to a pin name conflict with the Heltec v3
-// This will need to be resolved if this funstion is to be utilized in the future
+// This will need to be resolved if this function is to be utilized in the future
 
 /*
     pinMode(WB_IO4, OUTPUT);        //Set IO4 Pin to Output (connected to *reset on sensor)