diff --git a/contrib/machine-learning/index.md b/contrib/machine-learning/index.md
index 0b9c2b0..46100df 100644
--- a/contrib/machine-learning/index.md
+++ b/contrib/machine-learning/index.md
@@ -9,4 +9,4 @@
 - [TensorFlow.md](tensorFlow.md)
 - [PyTorch.md](pytorch.md)
 - [Types of optimizers](Types_of_optimizers.md)
-- [Logistic Regression](Logistic_Regression.md)
+- [Logistic Regression](logistic-regression.md)