note IDA requires rootfind type nls
@@ -896,7 +896,8 @@ passed to this function is the {\ida} memory pointer returned by
\id{IDACreate}; the second argument passed to this function is the
desired {\sunnonlinsol} object to use for solving the nonlinear system
\ref{e:DAE_nls}. A call to this function attaches the nonlinear solver
-to the main {\ida} integrator.
+to the main {\ida} integrator. Note the {\sunnonlinsol} object must be
+of type \id{SUNNONLINEARSOLVER\_ROOTFIND}.
\ucfunction{IDASetNonlinearSolver}
{
