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

src/Mesh.h

@@ -45,7 +45,7 @@ protected:
 
   /**
    * \brief    Called _before_ the packet is dispatched to the on..Recv() methods.
-   * \returns  true, if given packet should be NOT be processed.
+   * \returns  true, if given packet should NOT be processed.
    */
   virtual bool filterRecvFloodPacket(Packet* packet) { return false; }
 
@@ -107,7 +107,7 @@ protected:
 
   /**
    * \brief  A path TO peer (sender_idx) has been received. (also with optional 'extra' data encoded)
-   *         NOTE: these can be received multiple times (per sender), via differen routes
+   *         NOTE: these can be received multiple times (per sender), via different routes
    * \param  sender_idx  index of peer, [0..n) where n is what searchPeersByHash() returned
    * \param  secret   the pre-calculated shared-secret (handy for sending response packet)
    * \returns   true, if path was accepted and that reciprocal path should be sent
@@ -130,7 +130,7 @@ protected:
 
   /**
    * \brief  A path TO 'sender' has been received. (also with optional 'extra' data encoded)
-   *         NOTE: these can be received multiple times (per sender), via differen routes
+   *         NOTE: these can be received multiple times (per sender), via different routes
   */
   virtual void onPathRecv(Packet* packet, Identity& sender, uint8_t* path, uint8_t path_len, uint8_t extra_type, uint8_t* extra, uint8_t extra_len) { }
 
@@ -212,12 +212,12 @@ public:
   void sendDirect(Packet* packet, const uint8_t* path, uint8_t path_len, uint32_t delay_millis=0);
 
   /**
-   * \brief  send a locally-generated Packet to just neigbor nodes (zero hops)
+   * \brief  send a locally-generated Packet to just neighbor nodes (zero hops)
   */
   void sendZeroHop(Packet* packet, uint32_t delay_millis=0);
 
   /**
-   * \brief  send a locally-generated Packet to just neigbor nodes (zero hops), with specific transort codes
+   * \brief  send a locally-generated Packet to just neighbor nodes (zero hops), with specific transport codes
    * \param transport_codes   array of 2 codes to attach to packet
   */
   void sendZeroHop(Packet* packet, uint16_t* transport_codes, uint32_t delay_millis=0);

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)

src/helpers/ui/OLEDDisplay.cpp

@@ -842,7 +842,7 @@ void OLEDDisplay::drawLogBuffer(uint16_t xMove, uint16_t yMove) {
   uint16_t lastPos  = 0;
 
   for (uint16_t i=0;i<this->logBufferFilled;i++){
-    // Everytime we have a \n print
+    // Every time we have a \n print
     if (this->logBuffer[i] == 10) {
       length++;
       // Draw string on line `line` from lastPos to length
@@ -1155,7 +1155,7 @@ void OLEDDisplay::setFontTableLookupFunction(FontTableLookupFunction function) {
 
 char DefaultFontTableLookup(const uint8_t ch) {
     // UTF-8 to font table index converter
-    // Code form http://playground.arduino.cc/Main/Utf8ascii
+    // Code from http://playground.arduino.cc/Main/Utf8ascii
 	static uint8_t LASTCHAR;
 
 	if (ch < 128) { // Standard ASCII-set 0..0x7F handling

src/helpers/ui/buzzer.h

@@ -5,7 +5,7 @@
 
 /* class abstracts underlying RTTTL library 
 
-    Just a simple imlementation to start.  At the moment use same
+    Just a simple implementation to start.  At the moment use same
     melody for message and discovery
     Suggest enum type for different sounds
     - on message