Update docs/assignments/week09.md

docs/assignments/week09.md

@@ -109,7 +109,7 @@ WARNING: Be carefull to not leave the leather for too long otherwise it shrinks
 
 Put the leather on a mold (that should have holes to leave air pass), malaxe it with your handsto give the shape. 
 
-I took molds that were the negatives of my loom tools that i printed laser cutting zood. 
+I took molds that were the negatives of my loom tools that i printed laser cutting wood. 
 
 Thiner leathers take the shape more easily.