View source for Errata: In Figure 1.11, caption refers to "numbers in circles" that are not present in figure

{{errata page
| chapter = Introduction
| page = 15
| line = 4
| contributor = J. Amelang
| date = 5 Oct 09
| rev = 2.9d
| version = Second printing
| text = 
In Figure 1.11, the caption refers to an earlier version of the figure, in which delays where shown for the information and material flows.  The sentence "The numbers in the circles represent the delays in the 
ﬂow of information or materials" should be deleted.
}}