erp5_mrp: Make category description consistent with its id.

bt5/erp5_mrp/PathTemplateItem/portal_categories/trade_phase/production.xml

@@ -98,7 +98,7 @@
         </item>
         <item>
             <key> <string>description</string> </key>
-            <value> <string>Different phases used in for manufacturing</string> </value>
+            <value> <string>Different phases used in for production</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>