Updated Using BlenderCAM with OpenCAMLib (markdown)

Using-BlenderCAM-with-OpenCAMLib.md

@@ -7,7 +7,7 @@ Building from source on Debian GNU/Linux (probably also Ubuntu):
  1. If haven't already, [[install blenderCAM|Using-Blendercam-from-github]].
 
 2. Install dependencies:  
-    `sudo apt install libboost-dev libomp-dev libpython-dev python-dev python-vtk6 g++ python3-numpy python3-shapely git libboost-python-dev`
+    `sudo apt install libboost-dev libomp-dev libpython-dev python-dev python-vtk6 g++ cmake git libboost-python-dev`
   For Debian Jessie you have to replace libomp-dev with libiomp-dev (libomp-dev is not in stable yet)
 
 3. Install optional dependencies: