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diff --git a/doc/salome/gui/GEOM/input/deflection.doc b/doc/salome/gui/GEOM/input/deflection.doc
new file mode 100644
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+++ b/doc/salome/gui/GEOM/input/deflection.doc
@@ -0,0 +1,19 @@
+/*!
+
+\page deflection_page Deflection
+
+\n In this menu you can change the deviation coefficient of the
+shape. Smaller coefficient provides better quality of the shape in the
+viewer.
+
+\n <b>Arguments: </b>1 floating point value (deviation coefficient).
+
+\image html neo-deflection.png
+
+\n <b>Example:</b>
+
+\image html deflection_001.png
+
+\image html deflection_0001.png
+
+*/
diff --git a/doc/salome/gui/GEOM/input/viewing_geom_obj.doc b/doc/salome/gui/GEOM/input/viewing_geom_obj.doc
index 6a485015e..b6e5b97ba 100644
--- a/doc/salome/gui/GEOM/input/viewing_geom_obj.doc
+++ b/doc/salome/gui/GEOM/input/viewing_geom_obj.doc
@@ -27,6 +27,8 @@ the standard <b>Select Color</b> menu.</li>
 transparency of geometrical objects.</li>
 <li>\subpage isolines_page "Isos" - allows to change the number of
 isolines displayed within a shape.</li>
+<li>\subpage deflection_page "Deflection" - allows to change the
+deviation coefficient of a shape.</li>
 <li>\subpage point_marker_page "Point Marker" - allows to change the
 representation of geometrical vertices.</li>
 <li><b>Auto color</b> / <b>Disable auto color</b> - activates the auto color