diff --git a/README.md b/README.md
index 70d16c7..1e27fab 100644
--- a/README.md
+++ b/README.md
@@ -1,45 +1,30 @@
 # Various Inkscape extensions
 
- - Raster 2 Laser GCode generator
- - 
- 
-#Descriptions
-- Raster 2 Laser GCode generator is an extension to generate Gcode for a laser cutter/engraver (or pen plotter), it can generate various type of outputs from a simple B&W (on/off) to a more detailed Grayscale (pwm)
+## Raster 2 Laser GCode generator
+### Descriptions
+Raster 2 Laser GCode generator is an extension to generate Gcode for a laser cutter/engraver (or pen plotter), it can generate various type of outputs from a simple B&W (on/off) to a more detailed Grayscale (pwm)
 
+### Installing
+Simply copy all the files into the folder "Extensions" of Inkscape
 
-#Installing:
-
-Simply copy all the files in the folder "Extensions" of Inkscape
-
->Windows ) "C:\<...>\Inkscape\share\extensions"
-
->Linux ) "/usr/share/inkscape/extensions"
-
->Mac ) "/Applications/Inkscape.app/Contents/Resources/extensions"
-
+- Windows: `C:\<...>\Inkscape\share\extensions`
+- Linux: `/usr/share/inkscape/extensions`
+- Mac: `/Applications/Inkscape.app/Contents/Resources/extensions`
 
 for unix (& mac maybe) change the permission on the file:
+```
+chmod 755 for all the *.py files
+chmod 644 for all the *.inx files
+```
 
->>chmod 755 for all the *.py files
-
->>chmod 644 for all the *.inx files
-
-
-
-#Usage of "Raster 2 Laser GCode generator":
-
-[Required file: png.py / raster2laser_gcode.inx / raster2laser_gcode.py]
-
-- Step 1) Resize the inkscape document to match the dimension of your working area on the laser cutter/engraver (Shift+Ctrl+D)
-
-- Step 2) Draw or import the image
-
-- Step 3) To run the extension go to: Extension > 305 Engineering > Raster 2 Laser GCode generator
-
-- Step 4) Play!
-
+### Usage of "Raster 2 Laser GCode generator"
 
+**Required files**: `png.py`, `raster2laser_gcode.inx`, `raster2laser_gcode.py`.
 
+1) Resize the inkscape document to match the dimension of your working area on the laser cutter/engraver (Shift+Ctrl+D)
+2) Draw or import the image
+3) To run the extension go to: Extension > 305 Engineering > Raster 2 Laser GCode generator
+4) Play!
 
-#Note
+## Note
 I have created all the file except for png.py , see that file for details on the license