>From 85e993423805003064f1b2e30cb16d77e0ade1ab Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 4 Jul 2019 12:41:51 -0700
Subject: [PROPOSED] Characterize UT1 more accurately

* leapseconds.awk: Improve description of UT1.
---
 leapseconds.awk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/leapseconds.awk b/leapseconds.awk
index 241da92..f5ec22c 100755
--- a/leapseconds.awk
+++ b/leapseconds.awk
@@ -23,7 +23,7 @@ BEGIN {
   print "# <https://www.itu.int/rec/R-REC-TF.460-6-200202-I/>."
   print "# The International Earth Rotation and Reference Systems Service"
   print "# periodically uses leap seconds to keep UTC to within 0.9 s of UT1"
-  print "# (which measures the true angular orientation of the earth in space)"
+  print "# (a proxy for Earth's angle in space corrected for polar motion)"
   print "# and publishes leap second data in a copyrighted file"
   print "# <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>."
   print "# See: Levine J. Coordinated Universal Time and the leap second."
-- 
2.17.1