trim trailing space

diff --git a/ARL.lua b/ARL.lua
index 8157aa0..ac64096 100644
--- a/ARL.lua
+++ b/ARL.lua
@@ -1658,7 +1658,7 @@ do

 				if is_linked then
 					is_known = recipe:HasState("LINKED")
-				else
+				else
 					is_known = recipe:HasState("KNOWN")
 				end