=item RRD::TIME::LAST I<rrd-file> I<strftime-format>
This gets replaced by the last modification time of the selected RRD. The
-time is I<strftime>-formated with the string specified in the second argument.
+time is I<strftime>-formatted with the string specified in the second argument.
=item RRD::TIME::NOW I<strftime-format>
This gets replaced by the current time of day. The
-time is I<strftime>-formated with the string specified in the argument.
+time is I<strftime>-formatted with the string specified in the argument.
=item RRD::TIME::STRFTIME I<START|END> I<start-spec> I<end-spec> I<strftime-format>
I<strftime-format> on either I<start-spec> or I<end-spec> depending on
whether I<START> or I<END> is specified. Both I<start-spec> and I<end-spec>
must be supplied as either could be relative to the other. This is intended
-to allow pretty titles on graphs with times that are easier for non rrdtool
+to allow pretty titles on graphs with times that are easier for non RRDtool
folks to figure out than "-2weeks".
=item RRD::GRAPH I<rrdgraph arguments>