diff --git a/README.md b/README.md
index d16be80..743e574 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ neural net and error information from PID control to adapt the control signal. P
 adaptation value, using error, integral, and derivative. 
 
 To adapt the PID gains themselves, network outputs must be made to 3 neurons. Example usage 
-with simulated data can be found in [first_order_sim.py](first_order_sim,py)
+with simulated data can be found in [first_order_sim.py](first_order_sim.py)
 
 The method has been implemented in three ways: