wrong buffer address

[volw]

ElegooTutorial/Lesson 16 - GY-521 Module/MPU-6050_expanded/MPU-6050_expanded.ino

Line 309 in 830bba7

GyX = buffer[0]<<8|buffer[3]; //Store two bytes 0x43 (GYRO_XOUT_H) & 0x44 (GYRO_XOUT_L)

should be [0] and [1]:
GyX = buffer[0]<<8|buffer[1];