diff --git a/gtsam/linear/ConjugateGradientSolver.h b/gtsam/linear/ConjugateGradientSolver.h
index a89d7a10c..1f01565ce 100644
--- a/gtsam/linear/ConjugateGradientSolver.h
+++ b/gtsam/linear/ConjugateGradientSolver.h
@@ -63,13 +63,12 @@ public:
 
   virtual void print(const std::string &s="") const {
     Base::print();
-    std::cout << "ConjugateGradientParameters: "
-              << "minIter = " << minIterations_
-              << ", maxIter = " << maxIterations_
-              << ", resetIter = " << reset_
-              << ", eps_rel = " << epsilon_rel_
-              << ", eps_abs = " << epsilon_abs_
-              << std::endl;
+    std::cout << "ConjugateGradientParameters" << std::endl
+              << "minIter:   " << minIterations_ << std::endl
+              << "maxIter:   " << maxIterations_ << std::endl
+              << "resetIter: " << reset_ << std::endl
+              << "eps_rel:   " << epsilon_rel_ << std::endl
+              << "eps_abs:   " << epsilon_abs_ << std::endl;
   }
 };
 
diff --git a/gtsam/linear/IterativeSolver.h b/gtsam/linear/IterativeSolver.h
index 05741d763..fb948bf69 100644
--- a/gtsam/linear/IterativeSolver.h
+++ b/gtsam/linear/IterativeSolver.h
@@ -49,9 +49,10 @@ namespace gtsam {
     void setVerbosity(const std::string &s) ;
 
     void print() const {
-      std::cout << "IterativeOptimizationParameters: "
-                << "kernel = " << kernelTranslator(kernel_)
-                << ", verbosity = " << verbosityTranslator(verbosity_) << std::endl;
+      std::cout << "IterativeOptimizationParameters" << std::endl
+                << "kernel:     " << kernelTranslator(kernel_) << std::endl
+                << "verbosity:  " << verbosityTranslator(verbosity_) << std::endl
+                << std::endl;
     }
 
     static Kernel kernelTranslator(const std::string &s);