missing join

Author: chriddyp

shelly/plotlyjs/static/plotlyjs/src/axes.js

@@ -102,7 +102,7 @@ axes.layoutAttributes = {
             'If the axis `type` is *date*, then you must convert the date to unix time in milliseconds',
             '(the number of milliseconds since January 1st, 1970). For example, to set the date range from',
             'January 1st 1970 to November 4th, 2013, set the range from 0 to 1380844800000.0'
-        ]
+        ].join(' ')
     },
     fixedrange: {
         valType: 'boolean',