diff --git a/README.md b/README.md
index a3ddf50..4c7f7d3 100644
--- a/README.md
+++ b/README.md
@@ -88,11 +88,11 @@ dxf.write('outline.gml')
 ```
 
 You can also translate DXF closed shape such as circle to RX-274x polygon fill sequence.<br>
-In order to fill closed shape, ```DM_FILL``` has to be set to ```drawing_mode``` property. In this mode, All object except closed shapes listed below are ignored.
+In order to fill closed shape, ```DM_FILL``` has to be set to ```draw_mode``` property. In this mode, All object except closed shapes listed below are ignored.
 
 - circle
 - closed polyline 
-- closed path which consist of lines and arcs
+- closed path which consists of lines and arcs
 
 ```python
 import gerberex
@@ -107,7 +107,7 @@ dxf.write('outline.gml')
 <img alt="mouse bites" src="https://raw.githubusercontent.com/wiki/opiopan/pcb-tools-extension/images/mousebites.png" width=200 align="right">
 
 
-If ```DM_MOUSE_BITES``` is specified for ```drawing_mode```, filled circles are arranged along a DXF line object at equal intervals. <br>
+If ```DM_MOUSE_BITES``` is specified for ```draw_mode```, filled circles are arranged along a DXF line object at equal intervals. <br>
 DXF file object in this state can be merged to excellon file also. That means you can arrange mouse bites easily.
 
 ```python