diff --git a/docs/development/02biochromes.md b/docs/development/02biochromes.md
index b5394348e74dedc423828be46f4398232d104d9a..48f5fa89da193e79b18993dd015243698f6a84a3 100644
--- a/docs/development/02biochromes.md
+++ b/docs/development/02biochromes.md
@@ -3,6 +3,10 @@
 
 ## **NATURAL DYE**
 
+### **MATERIALS**
+
+### **PREPARATIONS**
+
 ###  **ROSES**
 
 **RED ROSES**