Add documentation on ChainSync timeout changes in the network spec

Author: the-headless-ghost

docs/network-spec/miniprotocols.tex

@@ -934,13 +934,15 @@ \subsection{Node-to-node timeouts per state}
 The table~\ref{table:chain-sync-timeouts} specifies message timeouts in a given
 state.  If a timeout is violated, the connection SHOULD be torn down.
 
+The timeout on state \StMustReply{} only applies if the peer is not trustable.
+
 \begin{table}[h!]
   \begin{center}
     \begin{tabular}{l|r}
       \header{state} & \header{timeout} \\\hline
       \StIdle        & \texttt{3673}s \\
       \StCanAwait    & \texttt{10}s   \\
-      \StMustReply   & random between \texttt{135}s and \texttt{269}s \\
+      \StMustReply   & random between \texttt{601}s and \texttt{911}s \\
       \StIntersect   & \texttt{10}s   \\
     \end{tabular}
     \caption{timeouts per state}