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-rw-r--r--timezone/leapseconds5
1 files changed, 3 insertions, 2 deletions
diff --git a/timezone/leapseconds b/timezone/leapseconds
index 1cd114b..82a8ddf 100644
--- a/timezone/leapseconds
+++ b/timezone/leapseconds
@@ -1,9 +1,10 @@
-# @(#)leapseconds 7.11
+# @(#)leapseconds 7.12
# Allowance for leapseconds added to each timezone file.
# The International Earth Rotation Service periodically uses leap seconds
-# to keep UTC to within 0.9 s of TAI (atomic time); see
+# to keep UTC to within 0.9 s of UT1
+# (which measures the true angular orientation of the earth in space); see
# Terry J Quinn, The BIPM and the accurate measure of time,
# Proc IEEE 79, 7 (July 1991), 894-905.
# There were no leap seconds before 1972, because the official mechanism