diff --git a/Lanes.ino b/Lanes.ino
index b7d5c6b..4e46aa3 100644
--- a/Lanes.ino
+++ b/Lanes.ino
@@ -11,6 +11,7 @@ const int Enc2P2 = 15;  //Encoder 2 Pin 2 to non-Interrupting pin because we onl
 const int Enc1Btn = 16; //Encoder 1 Button
 const int Enc2Btn = 17; //Encoder 2 Button
 const int ClockIn = 20; //Clock In
+const int ClockDetect = 21; //Detect clock jack
 
 Encoder LeftEnc( Enc1P1, Enc1P2);
 Encoder RightEnc( Enc2P1, Enc2P2);
@@ -27,7 +28,7 @@ unsigned long ClockTime = 0;
 unsigned long LastStepTime = 0;
 long Lane1Pos, Lane2Pos, Lane3Pos, Lane1Time, Lane2Time, Lane3Time = 0;
 
-//Lanes are 4 dimentions 0 = Step Time, 1 = Step Voltage, 2 = Curve type (Linear, Expo, Log, Sine, etc) 3 = Curve Parameter.
+//Lanes are 4 dimensions 0 = Step Time, 1 = Step Voltage, 2 = Curve type (Linear, Expo, Log, Sine, etc) 3 = Curve Parameter.
 int Lane1[4][16];
 int Lane2[4][16];
 int Lane3[4][16];