added not on using LINE AREA or PRINT

[rrdtool.git] / doc / rrdgraph.pod

diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod
index e40b046..be421e8 100644 (file)
--- a/doc/rrdgraph.pod
+++ b/doc/rrdgraph.pod
@@ -263,7 +263,7 @@ for the right axis.
 
 By default the format of the axis labels gets determined automatically. If
 you want to do this your self, use this option with the same %lf arguments
-you know from the PRING and GPRINT commands.
+you know from the PRINT and GPRINT commands.
 
 =head2 Legend
 
@@ -354,7 +354,7 @@ color.
 
 Pick the shape of the color marker next to the label according to the element drawn on the graph.
 
-[B<--zoom> I<factor>]
+[B<-m>|B<--zoom> I<factor>]
 
 Zoom the graphics by the given amount. The factor must be E<gt> 0
 
@@ -485,8 +485,9 @@ B<CDEF:>I<vname>B<=>I<RPN expression>
 
 B<VDEF:>I<vname>B<=>I<RPN expression>
 
-You need at least one B<DEF> statement to generate anything. The
-other statements are useful but optional.
+You need at least one B<DEF> and one B<LINE>, B<AREA>, B<GPRINT>, B<PRINT>
+statement to generate anything useful.
+
 See L<rrdgraph_data> and L<rrdgraph_rpn> for the exact format.
 
 NOTE: B<Graph and print elements>