Index: plugins/Mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillarySign.java
===================================================================
--- plugins/Mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillarySign.java	(revision 727)
+++ plugins/Mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillarySign.java	(working copy)
@@ -88,7 +88,7 @@
         return new MapillarySign(name);
       }
     } else {
-      Main.warn("Sign '{0}' does not exist in the plugin database. Please contact the developer to add it.", name);
+      Main.warn("Sign ''{0}'' does not exist in the plugin database. Please contact the developer to add it.", name);
       return null;
     }
   }