X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=doc%2Fcdeftutorial.pod;h=b2016a23c9a1308ced6ca4ecd67803f62c38a15a;hb=d67ce6022b311631183b9272c19c98947a46e23b;hp=1c17046c64c047afcbc5e6dfc4ebc047d1504388;hpb=702cc312488c4fbdccb347e95b0e58227c51cae7;p=rrdtool.git

diff --git a/doc/cdeftutorial.pod b/doc/cdeftutorial.pod
index 1c17046..b2016a2 100644
--- a/doc/cdeftutorial.pod
+++ b/doc/cdeftutorial.pod
@@ -862,7 +862,7 @@ You may do some complex data filtering:
 
     DEF:var=database.rrd:traffic:AVERAGE
     CDEF:prev1=PREV(var)
-    CDEF:time=TIME
+    CDEF:time=var,POP,TIME
     CDEF:prevtime=PREV(time)
     CDEF:derivate=var,prev1,-,time,prevtime,-,/
     LINE3:derivate#000077:derivate