diff --git a/src/data/roadmaps/ux-design/content/100-human-decision-making/index.md b/src/data/roadmaps/ux-design/content/100-human-decision-making/index.md
index a82404f6a..eb26dd04d 100644
--- a/src/data/roadmaps/ux-design/content/100-human-decision-making/index.md
+++ b/src/data/roadmaps/ux-design/content/100-human-decision-making/index.md
@@ -26,3 +26,5 @@ To enhance user decision-making experience, consider the following principles:
 - **Defaults**: Use smart defaults to help users make decisions in a context-appropriate manner, which could range from pre-filled forms to suggested options.
 
 Understanding human decision making and incorporating these principles into UX design will enable designers to create more intuitive, enjoyable, and efficient user experiences.
+
+- [Types of Cognitive Bias](https://www.youtube.com/watch?v=wewgbir_riw)
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