diff --git a/neural_network/simple_neural_network.py b/neural_network/simple_neural_network.py
index f2a323487..b35aae396 100644
--- a/neural_network/simple_neural_network.py
+++ b/neural_network/simple_neural_network.py
@@ -28,7 +28,7 @@ INITIAL_VALUE = 0.02
 def forward_propagation(expected: int, number_propagations: int) -> float:
     """Return the value found after the forward propagation training.
 
-    >>> res = forward_propagation(32, 10000000)
+    >>> res = forward_propagation(32, 100_000)  # Was 10_000_000
     >>> res > 31 and res < 33
     True