[Cleanup] Comment

src/one-body-sample.cc

@@ -474,6 +474,7 @@ int main(int argc, char *argv[]) {
 
       // Since the velocity explodes in the quasistatic case, use the
       // displacement as a convergence criterion
+      // Q: is this reasonable?
       VectorType u_saved;
       for (size_t state_fpi = 1; state_fpi <= state_fpi_max; ++state_fpi) {
         stateUpdater->solve(v);