diff --git a/doc/rrdfirst.pod b/doc/rrdfirst.pod
index 63ef79eed1442ab60e4ec9766aad853686ddaaea..9a3c690848e9ec6554bc39ef810f440a772fb9cd 100644 (file)
--- a/doc/rrdfirst.pod
+++ b/doc/rrdfirst.pod
=head1 DESCRIPTION
-The B<first> function returns the UNIX timestamp of the first data sample for
-the specified RRA of the RRD file.
+The B<first> function returns the UNIX timestamp of the first data
+sample entered into the specified RRA of the RRD file.
=over 8
=item I<--rraindex number>
-The index number of the B<RRA> that is to be examined. If not specified, the
-index defaults to zero. B<RRA> index numbers can be determined through
+The index number of the B<RRA> that is to be examined. If not specified, the
+index defaults to zero. B<RRA> index numbers can be determined through
B<rrdtool info>.
=back