fixed typo

Author: williamlai2

docs/examples.rst

@@ -4,7 +4,7 @@ Simple tests
 Ensure your device works with this simple test.
 
 .. literalinclude:: ../examples/motor_servo_sweep_simpletest.py
-    :caption: examplesmotor_servo_sweep_simpletest.py
+    :caption: examples/motor_servo_sweep_simpletest.py
     :linenos:
 
 .. literalinclude:: ../examples/motor_pca9685_dc_motor.py