Index: trunk/src/org/openstreetmap/josm/actions/search/SearchAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/search/SearchAction.java	(revision 888)
+++ trunk/src/org/openstreetmap/josm/actions/search/SearchAction.java	(revision 889)
@@ -53,4 +53,5 @@
     			"<li>Use <b>|</b> or <b>OR</b> to combine with logical or</li>" +
     			"<li>Use <b>\"</b> to quote operators (e.g. if key contains :)</li>" +
+    			"<li>Use <b>(</b> and <b>)</b> to group expressions</li>" +
     	"</ul></html>"));