--- doc/docbase/instrument_scripts/nksp/reference/functions/nksp_change_cutoff_function.html	2020/01/12 17:07:34	3715
+++ doc/docbase/instrument_scripts/nksp/reference/functions/nksp_change_cutoff_function.html	2020/01/13 13:16:52	3716
@@ -63,7 +63,10 @@
         <td><code>??cutoff??</code></td>
         <td>Integer Number or<br>
             Real Number</td>
-        <td>New Cutoff Frequency (abstract absolute value between <code>0</code> and <code>1000000</code>).<br>
+        <td>New Cutoff Frequency (abstract non-negative value,
+            <code>0</code> for smallest cutoff frequency,
+            <code>1000000</code> for neutral cutoff frequency factor,
+            <code>2000000</code> for doubling the effective cutoff frequency).<br>
             [required]</td>
       </tr>
     </table>