Index: /trunk/src/org/openstreetmap/josm/gui/layer/NoteLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/NoteLayer.java	(revision 13127)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/NoteLayer.java	(revision 13128)
@@ -271,5 +271,5 @@
                 htmlText = htmlText.replace("&#xA;", "<br>");
                 // convert URLs to proper HTML links
-                htmlText = htmlText.replaceAll("(https?://\\S+)", "<a href=\"$1\">$1</a>");
+                htmlText = htmlText.replaceAll("(https?://[^\\s\\(\\)<>]+)", "<a href=\"$1\">$1</a>");
                 sb.append(htmlText);
             }