To avoid spurious contibrutions to the virial and pressure due to large
forces between completely frozen atoms you need to use
<A HREF="#egexcl">energy group exclusions</A>, this also saves computing time.
-Note that frozen coordinates are not subject to pressure scaling.</dd>
+Note that coordinates of frozen atoms are not scaled by pressure-coupling
+algorithms.</dd>
<dt><b>freezedim: </b></dt>
<dd>dimensions for which groups in <b>freezegrps</b> should be frozen,
specify <tt>Y</tt> or <tt>N</tt> for X, Y and Z and for each group