[148_statement_of_need], issue - #148, Modified README introduction f…

…or clarifying the statement of need

README.rst

@@ -12,8 +12,12 @@ Introduction
 thermo-physical and the thermo-chemical properties of lead, bismuth and lead-bismuth eutectic (lbe) metal alloy available from
 the handbook edited by 
 `OECD/NEA <https://www.oecd-nea.org/jcms/pl_14972/handbook-on-lead-bismuth-eutectic-alloy-and-lead-properties-materials-compatibility-thermal-hydraulics-and-technologies-2015-edition?details=true>`_
+This package offers a standard implementation for use of these properties in scientific applications.
 
-*lbh15* is released under the **GNU Lesser General Public License 3**.
+*lbh15* is used for numerical simulation and experimental activities supporting the
+development of nuclear reactors that employ heavy liquid metals as primary coolant.
+
+*lbh15* is developed by the **Codes & Methods** group of ** *new*cleo ** and it is released under the **GNU Lesser General Public License 3**.
 
 *lbh15* is listed among the Open-source Nuclear Codes for Reactor Analysis (`ONCORE <https://nucleus.iaea.org/sites/oncore/SitePages/List%20of%20Codes.aspx>`_) by IAEA.