<ul>
<li>\b Detect button generates the list of coincident nodes for the given
\b Tolerance.</li>
-<li><b>Coincident nodes</b> is a list of groups of elements for
- merging. After the operation all elements of each group will
- be united into one element.
+<li><b>Coincident nodes</b> is a list of groups of nodes for
+ merging. After the operation all nodes of each group will
+ be united into one node. The first node of a group is kept and
+ the others are removed.
<ul>
<li>\b Remove button deletes the selected group from the list.</li>
<li>\b Add button adds to the list a group of nodes selected in the
<br>
\image html sort.png
<center>moves the selected node to the first position in the
- group.</center><br>
+ group in order to keep it in the mesh.</center><br>
</li>
</ul>
</li>
