diff --git a/extra/zoneinfo/zoneinfo.factor b/extra/zoneinfo/zoneinfo.factor
index d6fbc2a7af..7c1b472e42 100644
--- a/extra/zoneinfo/zoneinfo.factor
+++ b/extra/zoneinfo/zoneinfo.factor
@@ -26,12 +26,12 @@ CONSTANT: zoneinfo-paths
 SYMBOL: last-zone
 
 TUPLE: raw-zone name gmt-offset rules/save format until ;
-TUPLE: raw-rule name from to type in on at save letters ;
+TUPLE: raw-rule name from to type in on at-time save letters ;
 TUPLE: raw-link from to ;
 TUPLE: raw-leap year month day hms corr r/s ;
 
 TUPLE: zone name ;
-TUPLE: rule name from to at ;
+TUPLE: rule name from to at-time ;
 TUPLE: link ;
 TUPLE: leap ;