Update HDC2010_FR.c

Author: microphonon

MSP430FR59xx/HDC2010_FR.c

@@ -9,7 +9,7 @@ Low-level I2C communication using registers, interrupts, and MCU LPM0 mode. Disp
 Temperature resolution: 14-bit and displayed with 4 significant figures.
 Humidity resolution: 11-bit displayed with 3 significant figures. Ground the ADR pin to set slave address at 0X40.
 Sensor is briefly heated at startup/reset; heater draws 90 mA at 3.3V.  There is not enough current available
-on the FR5969 Launchpad to supply the heater; use an external 3,3V power supply if heater function is implemented.
+on the FR5969 Launchpad to supply the heater; use an external 3.3V power supply if heater function is implemented.
 Main loop runs with timed interrupt from LPM3 and VLO clock. I2C clock 100 kHz; UART 9600 baud.
 IDE with CCS 6.1.3 and nofloat printf support.