diff --git a/northamerica b/northamerica
index c7b286c..d8e1e84 100644
--- a/northamerica
+++ b/northamerica
@@ -1331,7 +1331,7 @@ Zone America/Dawson	-9:17:40 -	LMT	1900 Aug 20
 # Vicente Fox, starting daylight saving May 6, 2001 and ending
 # September 30, 2001.
 # References: "Diario de Monterrey" <www.diariodemonterrey.com/index.asp>
-# Palabra <http://palabra.infosel.com/010331/primera/ppri3101.pdf> (2000-03-31)
+# Palabra <http://palabra.infosel.com/010331/primera/ppri3101.pdf> (2001-03-31)
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Mexico	1939	only	-	Feb	5	0:00	1:00	D