diff --git a/docs/source/other/usage.rst b/docs/source/other/usage.rst
index 93b2425..8b47eef 100644
--- a/docs/source/other/usage.rst
+++ b/docs/source/other/usage.rst
@@ -9,11 +9,11 @@ Usage
     from compLib.Motor import *
 
     def forward():
-        for port in range(0, 3):
+        for port in range(0, 4):
             Motor.power(port, 30);
 
     def backward():
-        for port in range(0, 3):
+        for port in range(0, 4):
             Motor.power(port, -30);
 
     def main():