diff --git a/docs/development/03biomaterial.md b/docs/development/03biomaterial.md
index 7257d69dcae3c273fd04a87f32f7b72d5b1506f5..035a509c458f02a0b11c8631fc825accf285b0c9 100644
--- a/docs/development/03biomaterial.md
+++ b/docs/development/03biomaterial.md
@@ -5,7 +5,7 @@
 
 <iframe width="1000" height="400" src="https://www.youtube.com/embed/2wFQ-z_2-6g?si=rsbmuiuZLQ01iCNL" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
 
-## **GELATIN**
+## **GELATIN BASED**
 
 ### **GELATIN WITH POTATO STARCH**