Dependencies.md

@@ -10,7 +10,7 @@ dependencies, Sverchok supports easy-to-use installation user interface.
 To use it, navigate to Edit => Preferences, then locate Sverchok
 preferences under Addons section:
 
-![Settings](https://user-images.githubusercontent.com/284644/74547121-74555380-4f6d-11ea-8388-80421a04fc3f.png)
+![Settings](https://user-images.githubusercontent.com/284644/92996779-93c65600-f527-11ea-8b88-1ea3b2bc4559.png)
 
 The dialog shows current status of all dependencies. For dependencies that can
 be installed by `pip`, but are not yet installed, this dialog will show an
@@ -181,19 +181,22 @@ The following nodes can optionally use Geomdl:
 
 ## Install FreeCAD py3lib 
 
+You have to use FreeCAD of version 0.18 or newer (nightly builds of 0.19 work fine).
+
 ### linux:  
 
+1. Install FreeCAD (or just it's libraries, that will be enough):
+
     $ sudo apt install libfreecad-python3-0.18    
 
-Maybe you will need to do next:    
+Note that in Ubuntu there is a [bug](https://bugs.launchpad.net/ubuntu/+source/freecad/+bug/1866914) in FreeCAD package; so if you are having error messages like `libnglib.so: no such file or directory`, then to work around this bug, you have to do the following:
 
     $ sudo apt install libnglib-6.2.1804    
     $ sudo echo '/usr/lib/x86_64-linux-gnu/netgen' >> /etc/ld.so.conf.d/x86_64-linux-gnu.conf  
     $ sudo ldconfig  
 
-Add sverchok freecad-python3-lib path:  
-
-    /usr/lib/freecad-python3/lib/   
+2. In Sverchok preferences dialog, in the "FreeCAD python path" field, enter `/usr/lib/freecad-python3/lib/` and press the "Set Path" button.
+3. Restart Blender.
 
 ### Windovs: