diff --git a/src/main/resources/assets/opencomputers/lang/en_US.lang b/src/main/resources/assets/opencomputers/lang/en_US.lang
index c31a753a4..5fbcd8f76 100644
--- a/src/main/resources/assets/opencomputers/lang/en_US.lang
+++ b/src/main/resources/assets/opencomputers/lang/en_US.lang
@@ -416,7 +416,7 @@ achievement.oc.redstoneIO=The Outsider
 achievement.oc.redstoneIO.desc=Taking redstone signals where you want them.
 achievement.oc.robot=Beep Boop
 achievement.oc.robot.desc=EXTERMINATE!
-achievement.oc.screen=Have you tried turning it of and on again?
+achievement.oc.screen=Have you tried turning it off and on again?
 achievement.oc.screen.desc=No seriously. A redstone pulse can toggle a screen's power, after all.
 achievement.oc.server=Dedicated
 achievement.oc.server.desc=Cloud services, here we come.