diff --git a/plugins/PostProcessingPlugin/scripts/FilamentChange.py b/plugins/PostProcessingPlugin/scripts/FilamentChange.py
index 0fa52de4f1..ed0f6eb174 100644
--- a/plugins/PostProcessingPlugin/scripts/FilamentChange.py
+++ b/plugins/PostProcessingPlugin/scripts/FilamentChange.py
@@ -1,5 +1,6 @@
-# This PostProcessing Plugin script is released 
-# under the terms of the AGPLv3 or higher
+# Copyright (c) 2018 Ultimaker B.V.
+# The PostProcessingPlugin is released under the terms of the AGPLv3 or higher.
+
 from typing import Optional, Tuple
 
 from UM.Logger import Logger
@@ -54,17 +55,17 @@ class FilamentChange(Script):
         layer_nums = self.getSettingValueByKey("layer_number")
         initial_retract = self.getSettingValueByKey("initial_retract")
         later_retract = self.getSettingValueByKey("later_retract")
-        
+
         color_change = "M600"
-        
+
         if initial_retract is not None and initial_retract > 0.:
-            color_change = color_change + (" E-%.2f" % initial_retract)
-        
+            color_change = color_change + (" E%.2f" % initial_retract)
+
         if later_retract is not None and later_retract > 0.:
-            color_change = color_change + (" L-%.2f" % later_retract)
-        
+            color_change = color_change + (" L%.2f" % later_retract)
+
         color_change = color_change + " ; Generated by FilamentChange plugin"
-        
+
         layer_targets = layer_nums.split(",")
         if len(layer_targets) > 0:
             for layer_num in layer_targets: