Bug 18316: String changes

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Séverine QUEUNE <severine.queune@bulac.fr>

Rebased-by: Alex Arnaud <alex.arnaud@biblibre.com>
Signed-off-by: Ere Maijala <ere.maijala@helsinki.fi>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt

@@ -93,11 +93,11 @@ a.add, a.delete {
     <div class="dialog message">
         Warning: Any changes to the configuration will only take effect after a full reindex. Until then searching may not work correctly.
 
-        <p>Weight: define weight between 1 and 99.</p>
+        <p>Weight: define weight between 1 and 99. Higher numbers indicate increased relevancy.
+        <strong>Note that fields weighting works only for simple search.</strong></p>
         <ol>
           <li>only search fields mapped with biblios can be weighted</li>
-          <li>search will be done on weighted fields only</li>
-          <li>if no field is weighted, search will be done on all the record</li>
+          <li>search will boost/increase weighted field(s) relevancy</li>
         </ol>
     </div>
     [% IF errors %]