diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_Cleanroom.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_Cleanroom.java
index d6838327..3d33c0b4 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_Cleanroom.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_Cleanroom.java
@@ -37,7 +37,7 @@ public class GT_MetaTileEntity_Cleanroom extends GT_MetaTileEntity_MultiBlockBas
                 "Controller (Top center)",
                 "Top besides contoller and edges Filter Machine Casings",
                 "1 Reinforced Door (keep closed for 100% efficency",
-                "1x MV+ Energy Hatch, 1x Maintainance Hatch",
+                "1x ULV+ Energy Hatch, 1x Maintainance Hatch",
                 "Up to 10 Machine Hulls to transfer Items & Energy through walls",
                 "Remaining Blocks Plascrete"};
     }