diff --git a/server/ServerHelper.java b/server/ServerHelper.java
index d7a564dd5..84216f3c0 100644
--- a/server/ServerHelper.java
+++ b/server/ServerHelper.java
@@ -157,6 +157,6 @@ public class ServerHelper extends CommonHelper
 	@Override
 	public void missingCoreMod()
 	{
-		throw new RuntimeException( "Unable to Load Core Mod, please verify that AE2 is properly install in the mods folder, with a .jar extention." );
+		throw new RuntimeException( "Unable to Load Core Mod, please verify that AE2 is properly install in the mods folder, with a .jar extension." );
 	}
 }