Index: mttroot/mtt/debian/control
==================================================================
--- mttroot/mtt/debian/control
+++ mttroot/mtt/debian/control
@@ -13,7 +13,7 @@
 Description: Model Transformation Tools.
  A set of tools for modelling dynamic physical systems using the bond-graph methodology and transforming these models into representations suitable for analysis, control and simulation. These tools use, and generate m files for, GNU Octave.
  .
  The MTT homepage is located at http://mtt.sourceforge.net. An on-line manual is available at http://mtt.sourceforge.net/doc.
  .
- mtt requires the non-free symbolic algebra tool Reduce to be installed. Details of Reduce can be found at http://www.reduce-algebra.com
+ MTT uses the non-free symbolic algebra tool Reduce to perform some transformations and it is highly recommended that this software is installed. Details of Reduce can be found at http://www.reduce-algebra.com
  .