diff --git a/python-modules/molkrr/krr.py b/python-modules/molkrr/krr.py
index f4bf16ac9165c7d92ac8054d4ab411b4c5805f97..5d149523732ba6d78bfabde318119766f511be6a 100644
--- a/python-modules/molkrr/krr.py
+++ b/python-modules/molkrr/krr.py
@@ -32,7 +32,7 @@ def timer(name):
     tstart = time()
     yield
     tstop = time()
-    print('Time {}: {}s'.format(name, tstop - tstart))
+    print('Time {}: {:1.3}s'.format(name, tstop - tstart))
 
 
 def gen_random_index(nsystems, ntestsystems, seed=0):
diff --git a/python-modules/molkrr/ml_chemical_space.bkr b/python-modules/molkrr/ml_chemical_space.bkr
index 8c96bf0be28e37d6ae89ac8b92f62b9f0c89f28e..1432ff4f709cdda99b9cea4ee29a7393239d63b7 100644
--- a/python-modules/molkrr/ml_chemical_space.bkr
+++ b/python-modules/molkrr/ml_chemical_space.bkr
@@ -637,23 +637,23 @@
                     "  //def devi = variance / (ntestsys);",
                     "  //y: [min_values.min(), max_values.max()], x: [min_values.min(), max_values.max()],",
                     "  ref_pred_plot << new Line(y: [0,10], x: [0,10],",
-                    "                           displayName:\"Ideal (R=P).\",",
-                    "                            toolTip: {xs, ys -> \"MAE: \" + mae + \" eV\"});",
+                    "                            displayName:\"Ideal (R=P).\",",
+                    "                            toolTip: {xs, ys -> \"MAE: \" + mae.round(3) + \" eV\"});",
                     "  ref_pred_plot << new Area(y: [min_values.min() + mae, max_values.max() + mae], ",
                     "                            x: [min_values.min(), max_values.max()], ",
                     "                            base: [min_values.min() - mae, max_values.max() - mae], ",
                     "                            color: new Color(255, 0, 0, 50), ",
-                    "                            displayName: \"MAE: \" + mae )",
+                    "                            displayName: \"MAE: \" + mae.rount(3) )",
                     "  ref_pred_plot << new Area(y: [min_values.min() + (mae +devi), max_values.max() + (mae+devi)], ",
                     "                            x: [min_values.min(), max_values.max()], ",
                     "                            base: [min_values.min() - (mae+devi), max_values.max() - (mae+devi)], ",
                     "                            color: new Color(255, 0, 0, 50), ",
-                    "                            displayName: \"Standard deviation: \" + devi)",
+                    "                            displayName: \"Standard deviation: \" + devi.round(3))",
                     "  ref_pred_plot << new Points(x:ref_values, y: prediction,",
                     "                              color: Color.blue,",
                     "                              displayName:out_put_label + \" values\",",
-                    "                              toolTip: {xs, ys, h -> \"real_value = \" + xs + ",
-                    "                                                \", predicted_value = \" + ys + ",
+                    "                              toolTip: {xs, ys, h -> \"real_value = \" + xs.round(3) + ",
+                    "                                                \", predicted_value = \" + ys.round(3) + ",
                     "                                                \", molecule = \" + ",
                     "                              outfile_data[h][2]});",
                     "}",