View source for Errata: In Example 9.9, 'gain margin' g m should be 'stability margin' s m

{{errata page
| chapter = Frequency Domain Analysis
| page = 282
| line = -11, -9
| contributor = Seoul National University
| date = 7 Dec 2010
| rev = 2.10d
| version = Third printing
| text = 
In this example, the ''stability'' margin is computed, not that gain margin.  The correct text is
<blockquote>
... which means that the <font color=blue>stability</font> margin is <font color=blue><math>s_m</math></font><math>=1-k_i/(2\zeta
\omega_0)</math>. To have a desired <font color=blue>stability</font> margin of <font color=blue><math>s_m</math></font> the integral
gain should be chosen as
<center><amsmath>
  k_i=2 \zeta \omega_0 (1-{\color{blue} s_m}).
</amsmath></center>
</blockquote>
}}