* make IMS table a subsection

doc/mf6io/ims.tex

@@ -12,7 +12,7 @@ \subsection{Explanation of Variables}
 \input{./mf6ivar/tex/sln-ims-desc.tex}
 \end{description}
 
-\noindent \textbf{IMS Default and Specified Complexity Values}
+\subsection{IMS Default and Specified Complexity Values}
 
 The values that are assigned to the \texttt{nonlinear} and \texttt{linear} variables for the the \texttt{simple}, \texttt{moderate}, and \texttt{complex} complexity options are summarized in table~\ref{table:imsopt}. The values defined for the \texttt{simple} complexity option are assigned if the \texttt{COMPLEXITY} keyword is not specified in the \texttt{OPTIONS} block.