diff --git a/doc/salome/gui/GEOM/input/color.doc b/doc/salome/gui/GEOM/input/color.doc
index fcaff6f45..256b215fc 100644
--- a/doc/salome/gui/GEOM/input/color.doc
+++ b/doc/salome/gui/GEOM/input/color.doc
@@ -4,7 +4,10 @@
 
 \n You can change the filling color of your object in the standard
 <b>Select Color</b> menu accessible by right-clicking on an object and
-selecting \b Color in the pop-up menu box.
+selecting \b Color in the pop-up menu box.               
+
+This functionality is avalible only for Artificial  
+\ref material "materials" of the selected shape(s).
 
 \n <b>TUI Command:</b> <em>gg.setColor(ID, Short, Short, Short)</em>
 
diff --git a/doc/salome/gui/GEOM/input/material.doc b/doc/salome/gui/GEOM/input/material.doc
index 65f8adf96..78f3fd7bf 100644
--- a/doc/salome/gui/GEOM/input/material.doc
+++ b/doc/salome/gui/GEOM/input/material.doc
@@ -9,14 +9,16 @@
 
 in the following dialog box.
 
-<center><em><b>Set Material Properties</b> dialog: 
 \image html material.png
+<center><em><b>Set Material Properties</b> dialog</em></center>
 
-\n With help of <b>Set Material Properties</b> dialog it is possible to set 
+
+With help of <b>Set Material Properties</b> dialog it is possible to set 
 materials of the selected shape(s). 
 
 This functionality is available in OCC and VTK viewers.
 
+\anchor material
 User can changed the following material properties
 
 - ambient color and coefficient
@@ -24,7 +26,7 @@ User can changed the following material properties
 - specular color and coefficient
 - emission color and coefficient (available only in OCC viewer), which simulate light originating from an object.
 - shininess
-- type of material: <b>Physical</b> these materials will not allow modification of color attributes (gold, aluminium, bronze, etc.)
+- type of material: <b>Physical</b> these materials will not allow modification of color attributes (gold, aluminium, bronze, etc.);
                     <b>Artificial</b> these materials will allow modification of color attributes (plastic, satin, metall, etc.)
 
 \n All currently available materials are shown in the left-side list box