-an axis or a plane of symmetry.</li>
-<li>\subpage scale_operation_page "Scale" an object by one or several scale
-factors.</li>
-<li>Create an \subpage offset_operation_page "Offset" of the object.</li>
+ an axis or a plane of symmetry.</li>
+<li>\subpage scale_operation_page "Scale" an object by one or several scale factors.</li>
+<li>Create an \subpage offset_operation_page "Offset" of an object.</li>
+<li>Create a \subpage projection_operation_page "Projection" of an object on a face.</li>