dimension than the input ones. Boundary elements around generated
mesh of plus one dimension are additionally created. All created
elements can be automatically grouped. Revolution can be used to create
-a \ref extrusion_struct "structured mesh from scratch".
+a \ref extrusion_struct "structured mesh from scratch".
+See \ref extrusion_page page for general information on Revolution
+which can be viewed as extrusion along a circular path.
<em>To apply revolution:</em>
<ol>
