diff --git a/usno1989 b/usno1989
index 0dfafc5..7f5d15b 100644
--- a/usno1989
+++ b/usno1989
@@ -1,7 +1,7 @@
 # %W%
 #
 # From Arthur David Olson (January 19, 1989):
-# 
+#
 # Here's time zone information from the United States Naval Observatory;
 # no corrections have been made, and there are some obvious challenges.
 # The USNO warns: