fix wording and formatting for better understanding

Author: vladak

network.tex

@@ -539,10 +539,10 @@
 otherwise the parent would be blocked and the next connection would only be
 accepted after one of the children exited.
 Another way is to set to ignore \texttt{SIGCHLD} in which case you
-completely avoid the grave danger of the living dead attack (see page
+completely avoid the grave danger of the living dead accumulating (see page
 \pageref{IGNORE_SIG_CHLD}).  You could also catch the signal and call
 one of the \funnm{wait}() calls from the handler itself which is fine as the
-call is async-signal-safe (see page \pageref{ASYNCSIGNALSAFE}).
+call is \emph{async-signal-safe} (see page \pageref{ASYNCSIGNALSAFE}).
 \end{itemize}
 
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