fixed spellings

Author: jacobhylen

content/tutorials/generic/interfacing-a-joystick/interfacing-a-joystick.md

@@ -40,8 +40,8 @@ Finally we make the LED blink with the values read from the sensors as a direct
   */
 
  int ledPin = 13;
- int joyPin1 = A0;                 // slider variable connecetd to analog pin 0
- int joyPin2 = A1;                 // slider variable connecetd to analog pin 1
+ int joyPin1 = A0;                 // slider variable connected to analog pin 0
+ int joyPin2 = A1;                 // slider variable connected to analog pin 1
  int value1 = 0;                  // variable to read the value from the analog pin 0
  int value2 = 0;                  // variable to read the value from the analog pin 1
 

content/tutorials/generic/two-switches-one-pin/two-switches-one-pin.md

@@ -32,7 +32,7 @@ One downside of the scheme (there always has to be a downside doesn't there?) is
  * (20K) pullup resistor is turned off, but when the pullup resistor is turned on, 
  * it will overwhelm the 200K resistor and the pin will report HIGH.
  *
- * Schematic Diagram    ( can't beleive I drew this funky ascii schematic )     
+ * Schematic Diagram    ( can't believe I drew this funky ascii schematic )     
  *
  *
  *                             +5 V