diff --git a/docs/_sections/_guide-primaries/sensors-and-actuators/line-sensors.md b/docs/_sections/_guide-primaries/sensors-and-actuators/line-sensors.md
index d6273a3c..a4df631a 100644
--- a/docs/_sections/_guide-primaries/sensors-and-actuators/line-sensors.md
+++ b/docs/_sections/_guide-primaries/sensors-and-actuators/line-sensors.md
@@ -34,7 +34,7 @@ After the calibration process, you should see the values in the terminal change
 #include <QTRSensors.h>
 
 QTRSensors qtr;
-uint16_t sensors[3];
+uint16_t sensors[2];
 
 void setup() {
     // set up Serial Communication and sensor pins