Serial plotter: added comment to ReadAnalogVoltage. See #3451

Author: Federico Fissore

Diff for: build/shared/examples/01.Basics/AnalogReadSerial/AnalogReadSerial.ino

@@ -1,7 +1,7 @@
 /*
   AnalogReadSerial
   Reads an analog input on pin 0, prints the result to the serial monitor.
-  Graphical representation of readings available using serial plotter (Tools > Serial Plotter menu)
+  Graphical representation is available using serial plotter (Tools > Serial Plotter menu)
   Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
 
   This example code is in the public domain.

Diff for: build/shared/examples/01.Basics/ReadAnalogVoltage/ReadAnalogVoltage.ino

@@ -1,10 +1,11 @@
 /*
   ReadAnalogVoltage
   Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor.
+  Graphical representation is available using serial plotter (Tools > Serial Plotter menu)
   Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
 
- This example code is in the public domain.
- */
+  This example code is in the public domain.
+*/
 
 // the setup routine runs once when you press reset:
 void setup() {