--- libev/ev.pod	2008/05/06 23:34:16	1.150
+++ libev/ev.pod	2008/05/06 23:42:16	1.151
@@ -3321,10 +3321,10 @@
 
 =item C<double> must hold a time value in seconds with enough accuracy
 
-The type C<double> is used to represent timestamps. It is required to have
-at least 51 bits of mantissa, which is good enough for at least into the
-year 4000. This requirement is fulfilled by implementations implementing
-IEEE 754 (basically all existing ones).
+The type C<double> is used to represent timestamps. It is required to
+have at least 51 bits of mantissa (and 9 bits of exponent), which is good
+enough for at least into the year 4000. This requirement is fulfilled by
+implementations implementing IEEE 754 (basically all existing ones).
 
 =back