Index: trunk/grails-app/i18n/messages.properties
===================================================================
--- trunk/grails-app/i18n/messages.properties	(revision 564)
+++ trunk/grails-app/i18n/messages.properties	(revision 565)
@@ -308,4 +308,8 @@
 
 # InventoryItemSearch
+inventoryItem.search.searchText=Search
+inventoryItem.search.searchText.help=By default all words are matched and results are sorted by relevance. \
+    A * symbol may be used as a wild card, e.g: '2305*' would find 2305RS and 2305-RS. A + symbol may be used to require a word \
+    e.g: 'sensor +print' would require results to have 'print' in the searched categories.
 inventoryItem.search.text.found=Results for: {0}
 inventoryItem.search.text.none.found=No results for: {0}
Index: trunk/grails-app/views/inventoryItemDetailed/search.gsp
===================================================================
--- trunk/grails-app/views/inventoryItemDetailed/search.gsp	(revision 564)
+++ trunk/grails-app/views/inventoryItemDetailed/search.gsp	(revision 565)
@@ -265,4 +265,5 @@
                             <td valign="top" class="value">
                                 <input type="text" style="width:450px" maxlength="75" id="searchText" name="searchText" value="${filterParams.searchText}"/>
+                                <g:helpBalloon code="inventoryItem.search.searchText" />
                             </td>
                         </tr>