Bug 328750 Change --disable-jsd error message

r=silver

extensions/venkman/resources/locale/en-US/venkman.properties

@@ -69,7 +69,7 @@ err.required.param = Missing required parameter %1$S
 err.invalid.param  = Invalid value for parameter %1$S (%2$S)
 # 1 url, 2 fileName, 3 lineNumber, 4 reason
 err.subscript.load = Error loading subscript from <%1$S>.
-err.no.debugger    = JS Debugger Service is not installed.
+err.no.debugger    = JS Debugger Service is not installed. (Perhaps this application was built [see about:buildconfig] with --disable-jsd, which suppresses building core support required for Venkman. You can resolve this by recompiling without that option or complaining to your vendor [who shouldn't be using that flag].)
 err.failure        = Operation Failed: %1$S
 err.no.stack       = No Stack