-The buttons "Add material" and "Remove material" in the lower part of
-the dialog box can be used to create or remove custom material
-models. The same commands are also available via the popup menu that
-is shown if the user presses right mouse button in the materials list
-box. An additional "Rename material" command, available in popup menu,
-can be used to change the name of material model.
+<li>The widgets to the right allow modifying different properties of the material model:
+- \b Ambient color and coefficient (floating point value between 0 and 1)
+- \b Diffuse color and coefficient (floating point value between 0 and 1)
+- \b Specular color and coefficient (floating point value between 0 and 1)
+- \b Emissive color and coefficient (floating point value between 0
+and 1). Note: this attribute is applicable only for the OCC viewer;
+it simulates light originating from an object.
+- \b Shininess
+- \b Type of material model: \em physical or \em artificial.
+</li>