diff --git a/nonlinear/NonlinearOptimization-inl.h b/nonlinear/NonlinearOptimization-inl.h
index be1641874..677f4af61 100644
--- a/nonlinear/NonlinearOptimization-inl.h
+++ b/nonlinear/NonlinearOptimization-inl.h
@@ -33,7 +33,7 @@ namespace gtsam {
 	 * The Elimination solver
 	 */
 	template<class G, class T>
-	T	optimizeElimination(const G& graph, const T& initialEstimate, const NonlinearOptimizationParameters& parameters) {
+	T	optimizeSequential(const G& graph, const T& initialEstimate, const NonlinearOptimizationParameters& parameters) {
 
 		// Use a variable ordering from COLAMD
 	  Ordering::shared_ptr ordering = graph.orderingCOLAMD(initialEstimate);
@@ -68,7 +68,7 @@ namespace gtsam {
 	}
 
 //	/**
-//	 * The multifrontal solver
+//	 * The sparse preconditioned conjucate gradient solver
 //	 */
 //	template<class G, class T>
 //	T	optimizeSPCG(const G& graph, const T& initialEstimate, const NonlinearOptimizationParameters& parameters = NonlinearOptimizationParameters()) {
@@ -93,8 +93,8 @@ namespace gtsam {
 	T optimize(const G& graph, const T& initialEstimate, const NonlinearOptimizationParameters& parameters,
 			const enum LinearSolver& solver) {
 		switch (solver) {
-		case ELIMINATION:
-			return optimizeElimination<G,T>(graph, initialEstimate, parameters);
+		case SEQUENTIAL:
+			return optimizeSequential<G,T>(graph, initialEstimate, parameters);
 		case MULTIFRONTAL:
 			return optimizeMultiFrontal<G,T>(graph, initialEstimate, parameters);
 		case SPCG:
diff --git a/nonlinear/NonlinearOptimization.h b/nonlinear/NonlinearOptimization.h
index f0cd9ae39..7c6c8c04b 100644
--- a/nonlinear/NonlinearOptimization.h
+++ b/nonlinear/NonlinearOptimization.h
@@ -35,8 +35,8 @@ namespace gtsam {
 	 * all the linear solver types
 	 */
 	enum LinearSolver{
-		ELIMINATION,      // Elimination
-		MULTIFRONTAL,      // Multi-frontal
+		SEQUENTIAL,      // Sequential elimination
+		MULTIFRONTAL,      // Multi-frontal elimination
 		SPCG,			  // Subgraph Preconditioned Conjugate Gradient
 	};
 
@@ -46,7 +46,7 @@ namespace gtsam {
 	 */
 	template<class G, class T>
 	T optimize(const G& graph, const T& initialEstimate, const NonlinearOptimizationParameters& parameters = NonlinearOptimizationParameters(),
-			const enum LinearSolver& solver = ELIMINATION);
+			const enum LinearSolver& solver = SEQUENTIAL);
 
 }