diff --git a/docs/YoungPersonsGuideToProgrammingMinecraft.md b/docs/YoungPersonsGuideToProgrammingMinecraft.md
index 14af537..a70ab5a 100644
--- a/docs/YoungPersonsGuideToProgrammingMinecraft.md
+++ b/docs/YoungPersonsGuideToProgrammingMinecraft.md
@@ -135,6 +135,7 @@ Once you've installed CanaryMod, depending on your specific needs,
 you might want to consider setting the following properties in the `server.cfg` or `config/worlds/<worldName>/<worldName>.cfg` files ...
 
     # completely flat worlds are best for building from scratch
+    world-type=FLAT
     level-type=FLAT
     generate-structures=false