Better importer warning

framer/Importer.coffee

@@ -137,7 +137,7 @@ class exports.Importer

		# Layer names cannot start with a number
		if startsWithNumber(layerInfo.name)
			throw new Error("(#{layerInfo.name}) Layer or Artboard names can not start with a number")
			throw new Error("Layer or Artboard names can not start with a number: '#{layerInfo.name}'")

		# We can create the layer here
		layer = new LayerClass(layerInfo)