diff --git a/Setting up a Minecraft server.md b/Setting up a Minecraft server.md
index 698cdb1..220eb08 100644
--- a/Setting up a Minecraft server.md	
+++ b/Setting up a Minecraft server.md	
@@ -52,7 +52,7 @@ wget https://piston-data.mojang.com/v1/objects/84194a2f286ef7c14ed7ce0090dba5990
 # server.jar is the name of the server you just downloaded
 # nogui is a commandline argument passed to the server that says
 # to start without a gui
-java -jar -XmX4M -Xms512M server.jar nogui
+java -jar -XmX4G -Xms512M server.jar nogui
 ```
 The first time you will get an error about an EULA, you need to look for `EULA.txt` in the same directory as the server jar, and edit the file with a text editor (`vim`, `nano`) to agree. Run it again, and you should see it generating the world