[gbrainy] Fixes bugzilla bug #669102

[Jordi Mas <jmas src gnome org>]

commit 7990867d004a8b571215007117b09d43680bcd6c
Author: Jordi Mas <jmas softcatala org>
Date:   Sat Feb 18 09:11:42 2012 +0100

    Fixes bugzilla bug #669102

 data/games.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/games.xml b/data/games.xml
index bef2c74..781cc18 100644
--- a/data/games.xml
+++ b/data/games.xml
@@ -540,7 +540,7 @@
 				<string _text = "[option_prefix] (x - y) * 2" x = "0.05" y = "0.02" size = "large"/>
 			</option>
 
-			<_rationale>Since x is always an even number, multiplying it by 2 always produces an even number. Adding an even number to an odd number (y) always produces an odd number.</_rationale>
+			<_rationale>Multiplication of two even numbers always produces an even number, so x multiplied by 2 is even. Adding an odd number (y) to that even number always produces an odd number.</_rationale>
 			<answer>2x + y</answer>
 		</variant>
 	</game>