minor corrections in comments

minor corrections

Author: ShaggyDog18

SD_ZH03B.cpp

@@ -19,10 +19,10 @@ The range of measured PM1.0, PM2.5 and PM10 values are all 0-1000ug/m3.
 
 - **SD_ZH03B( Stream& serial )** - Class Constructor
 - **bool readData(void)** - read data from the module; returns **true** if data are read, verified and valid (validate by calculating checkSum of the data received).
-- **void setInitiativeMode(void)** - sets the "Initiative Upload" (IU) operstion mode. The module launches in that mode by default and shoot data to the COM port every second. So, no need to set up the mode after the module initialization.
-- **void setQandAmode(void)** - sets the Q&A opertion mode; Module sends the data on demand.
+- **void setInitiativeMode(void)** - sets the "Initiative Upload" (IU) operation mode. The module launches in that mode by default and shoot data to the COM port every second. So, no need to set up the mode after the module initialization.
+- **void setQandAmode(void)** - sets the Q&A operation mode; Module sends the data on demand.
 - **void setMode( const mode_t mode = IU_MODE )** - same as above two methods, can be used interchangable: sets the operation mode by using pre-defined constants IU_MODE and QA_MODE. Can be used interchangibly. 
-- **mode_t getMode()** - returns current mode.
+- **mode_t getMode(void)** - returns current mode.
 - **bool sleep(void)** - put the module into a "Dormaint" mode. Dormancy consumption current <20mA. Returns **true** if command is confirmed by the module as successful.
 - **bool wakeup(void)** - wake up from a "Dormaint" mode. Working Current <120mA. Returns **true** if command is confirmed by the module as successful.
 - **uint16_t getPM1_0(void)** - returns a value of PM1.0 particles concentration in ug/m3 
@@ -65,7 +65,6 @@ SD_ZH03B::~SD_ZH03B(){}
 
 
 bool SD_ZH03B::readData(void) {
-
   if( _currentMode == QA_MODE ) {  // request data: send a request command
     _sendCmd( 0x86, 0x00, 0x79 );
     delay(20);

SD_ZH03B.h

@@ -19,10 +19,10 @@ The range of measured PM1.0, PM2.5 and PM10 values are all 0-1000ug/m3.
 
 - **SD_ZH03B( Stream& serial )** - Class Constructor
 - **bool readData(void)** - read data from the module; returns **true** if data are read, verified and valid (validate by calculating checkSum of the data received).
-- **void setInitiativeMode(void)** - sets the "Initiative Upload" (IU) operstion mode. The module launches in that mode by default and shoot data to the COM port every second. So, no need to set up the mode after the module initialization.
-- **void setQandAmode(void)** - sets the Q&A opertion mode; Module sends the data on demand.
+- **void setInitiativeMode(void)** - sets the "Initiative Upload" (IU) operation mode. The module launches in that mode by default and shoot data to the COM port every second. So, no need to set up the mode after the module initialization.
+- **void setQandAmode(void)** - sets the Q&A operation mode; Module sends the data on demand.
 - **void setMode( const mode_t mode = IU_MODE )** - same as above two methods, can be used interchangable: sets the operation mode by using pre-defined constants IU_MODE and QA_MODE. Can be used interchangibly. 
-- **mode_t getMode()** - returns current mode.
+- **mode_t getMode(void)** - returns current mode.
 - **bool sleep(void)** - put the module into a "Dormaint" mode. Dormancy consumption current <20mA. Returns **true** if command is confirmed by the module as successful.
 - **bool wakeup(void)** - wake up from a "Dormaint" mode. Working Current <120mA. Returns **true** if command is confirmed by the module as successful.
 - **uint16_t getPM1_0(void)** - returns a value of PM1.0 particles concentration in ug/m3 
@@ -115,25 +115,25 @@ enum mode_t : uint8_t {
 * @brief Returns the latest PM 1.0 reading
 * @note  in IU_Mode Sensor reports new reading ~ every 1 sec.
 * @return  PM 1.0 reading (unsigned int16)*/
-uint16_t getPM1_0(void) const {
-  return _currentMode == IU_MODE ? _unionFrame.ZH03B_IUframe.concPM1_0 : _unionFrame.ZH03B_QAframe.concPM1_0;
-}
+  uint16_t getPM1_0(void) const {
+    return _currentMode == IU_MODE ? _unionFrame.ZH03B_IUframe.concPM1_0 : _unionFrame.ZH03B_QAframe.concPM1_0;
+  }
 
 /**
 * @brief Returns the latest PM 2.5 reading
 * @note in IU_Mode Sensor reports new reading ~ every 1 sec.
 * @return  PM 2.5 reading (unsigned int16)*/
-uint16_t getPM2_5(void) const {
-  return _currentMode == IU_MODE ? _unionFrame.ZH03B_IUframe.concPM2_5 : _unionFrame.ZH03B_QAframe.concPM2_5;
-}
+  uint16_t getPM2_5(void) const {
+    return _currentMode == IU_MODE ? _unionFrame.ZH03B_IUframe.concPM2_5 : _unionFrame.ZH03B_QAframe.concPM2_5;
+  }
 
 /**
 * @brief Returns the latest PM 10.0 reading
 * @note in IU_Mode Sensor reports new reading ~ every 1 sec.
 * @return  PM 10.0 reading (unsigned int16)*/
-uint16_t getPM10_0(void) const {
-  return _currentMode == IU_MODE ? _unionFrame.ZH03B_IUframe.concPM10_0 : _unionFrame.ZH03B_QAframe.concPM10_0;
-}
+  uint16_t getPM10_0(void) const {
+    return _currentMode == IU_MODE ? _unionFrame.ZH03B_IUframe.concPM10_0 : _unionFrame.ZH03B_QAframe.concPM10_0;
+  }
 
 #define SIZEOF_IU_FRAME 24
 #define SIZEOF_QA_FRAME 9