diff --git a/source/time.tex b/source/time.tex
index aca967dc3b..346cbeecfa 100644
--- a/source/time.tex
+++ b/source/time.tex
@@ -3716,8 +3716,8 @@
 
 \pnum
 \mandates
-\tcode{SourceClock::to_sys(t)} returns a \tcode{sys_time<Duration2>},
-where \tcode{Duration2} is a valid \tcode{chrono::duration} specialization.
+\tcode{SourceClock::to_sys(t)} returns a \tcode{sys_time<Duration2>}
+for some type \tcode{Duration2}\iref{time.point.general}.
 
 \pnum
 \returns
@@ -3747,8 +3747,8 @@
 
 \pnum
 \mandates
-\tcode{DestClock::from_sys(t)} returns a \tcode{time_point<DestClock, Duration2>},
-where \tcode{Dura\-tion2} is a valid \tcode{chrono::duration} specialization.
+\tcode{DestClock::from_sys(t)} returns a \tcode{time_point<DestClock, Duration2>}
+for some type \tcode{Duration2}\iref{time.point.general}.
 
 \pnum
 \returns
@@ -3780,8 +3780,8 @@
 
 \pnum
 \mandates
-\tcode{SourceClock::to_utc(t)}  returns a \tcode{utc_time<Duration2>},
-where \tcode{Duration2} is a valid \tcode{chrono::duration} specialization.
+\tcode{SourceClock::to_utc(t)}  returns a \tcode{utc_time<Duration2>}
+for some type \tcode{Duration2}\iref{time.point.general}.
 
 \pnum
 \returns
@@ -3811,8 +3811,8 @@
 
 \pnum
 \mandates
-\tcode{DestClock::from_utc(t)} returns a \tcode{time_point<DestClock, Duration2>},
-where \tcode{Dura\-tion2} is a valid \tcode{chrono::duration} specialization.
+\tcode{DestClock::from_utc(t)} returns a \tcode{time_point<DestClock, Duration2>}
+for some type \tcode{Duration2}\iref{time.point.general}.
 
 \pnum
 \returns