diff --git a/1-Introduction/1-intro-to-ML/README.md b/1-Introduction/1-intro-to-ML/README.md
index 9e3e3649d..ec296b105 100644
--- a/1-Introduction/1-intro-to-ML/README.md
+++ b/1-Introduction/1-intro-to-ML/README.md
@@ -101,6 +101,11 @@ This motivation is loosely inspired by how the human brain learns certain things
 
 ✅ Think for a minute why a business would want to try to use machine learning strategies vs. creating a hard-coded rules-based engine.
 
+---
+## Why data quality matters
+
+High-quality data improves model performance. Poor or noisy data can lead to inaccurate predictions, even when using advanced machine learning algorithms.
+
 ---
 ## Applications of machine learning