View source for Errata: Arrow labeled u fd in Figure 11.3 is in the wrong direction

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{{errata page
| chapter = Frequency Domain Design
| page = 319
| line = 0 (figure)
| contributor = R. M. Murray
| date = 17 May 08
| version = First printing
| text =
The arrow labeled <math>u_{fd}</math> should go from the block labeled <math>F_d(s)</math> to the summation element, instead of the other way around.  The correct diagram is shown below:
<center>[[Image:loopsyn_twodof.png]]</center>
}}