message: Small documentation fix
diff: @@ -186,7 +186,7 @@ You can set the width, style and color of this line or disable it using the foll
  |----|----|-------|-|
  |`baseLineVisible`|`boolean`|`true`|If true, a series' base line is displayed on a chart|
  |`baseLineWidth`|`number`|`1`|Base line's width in pixels|
  -|`baseLineColor`|`string`|`''`|Base line's color|
  +|`baseLineColor`|`string`|`'#B2B5BE'`|Base line's color|
  |`baseLineStyle`|(./constants.md#linestyle)|`LineStyle.Solid`|Base line's style|
  Example:
  