diff --git a/src/Mod/CAM/Path/Main/Gui/Inspect.py b/src/Mod/CAM/Path/Main/Gui/Inspect.py
index 6f7e195987..99a4d6aa81 100644
--- a/src/Mod/CAM/Path/Main/Gui/Inspect.py
+++ b/src/Mod/CAM/Path/Main/Gui/Inspect.py
@@ -30,6 +30,7 @@ import FreeCADGui
 import Path
 from PySide.QtCore import QT_TRANSLATE_NOOP
 import PathScripts.PathUtils as PathUtils
+from Path.Main.Gui.Editor import CodeEditor
 
 translate = FreeCAD.Qt.translate
 
@@ -112,15 +113,15 @@ class GCodeEditorDialog(QtGui.QDialog):
         self.selectionobj.ViewObject.LineWidth = 4
         self.selectionobj.ViewObject.NormalColor = highlightcolor
 
-        # nice text editor widget for editing the gcode
-        self.editor = QtGui.QTextEdit()
+        # self.editor = QtGui.QTextEdit()  # without lines enumeration
+        self.editor = CodeEditor()  # with lines enumeration
         font = QtGui.QFont()
         p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Editor")
         font.setFamily(p.GetString("Font", "Courier"))
         font.setFixedPitch(True)
         font.setPointSize(p.GetInt("FontSize", 10))
         self.editor.setFont(font)
-        self.editor.setText("G01 X55 Y4.5 F300.0")
+        self.editor.setPlainText("G01 X55 Y4.5 F300.0")
         layout.addWidget(self.editor)
 
         # Note
@@ -128,7 +129,8 @@ class GCodeEditorDialog(QtGui.QDialog):
         lab.setText(
             translate(
                 "CAM_Inspect",
-                "<b>Note</b>: This dialog shows path commands in FreeCAD base units (mm/s). \n Values will be converted to the desired unit during post processing.",
+                "<b>Note</b>: This dialog shows path commands in FreeCAD base units (mm/s)."
+                "<br>Values will be converted to the desired unit during post processing.",
             )
         )
         lab.setWordWrap(True)
@@ -221,11 +223,11 @@ def show(obj):
     if hasattr(obj, "Path"):
         if obj.Path:
             dia = GCodeEditorDialog(obj)
-            dia.editor.setText(obj.Path.toGCode())
+            dia.editor.setPlainText(obj.Path.toGCode())
             gcodeSize = len(dia.editor.toPlainText())
             if gcodeSize <= mhs:
                 # because of poor performance, syntax highlighting is
-                # limited to mhs octets (default 512 KB).
+                # limited to mhs octets (default 256 KB).
                 # It seems than the response time curve has an inflexion near 500 KB
                 # beyond 500 KB, the response time increases exponentially.
                 dia.highlighter = GCodeHighlighter(dia.editor.document())
@@ -239,8 +241,7 @@ def show(obj):
                     )
                 )
             result = dia.exec_()
-            # exec_() returns 0 or 1 depending on the button pressed (Ok or
-            # Cancel)
+            # exec_() returns 0 or 1 depending on the button pressed (Ok or Cancel)
             if result:
                 p = Path.Path(dia.editor.toPlainText())
                 FreeCAD.ActiveDocument.openTransaction("Edit Path")