edited mode on better level and updated docs to be bit more clear

Author: LeeLenaleee

docs/docs/charts/line.mdx

@@ -87,7 +87,7 @@ The line chart allows a number of properties to be specified for each dataset. T
 | [`pointRadius`](#point-styling) | `number` | Yes | Yes | `3`
 | [`pointRotation`](#point-styling) | `number` | Yes | Yes | `0`
 | [`pointStyle`](#point-styling) | `string`\|`Image` | Yes | Yes | `'circle'`
-| [`showLine`](#line-styling) | `boolean` | - | - | `undefined`
+| [`showLine`](#line-styling) | `boolean` | - | - | `true`
 | [`spanGaps`](#line-styling) | `boolean`\|`number` | - | - | `undefined`
 | [`stepped`](#stepped) | `boolean`\|`string` | - | - | `false`
 | [`xAxisID`](#general) | `string` | - | - | first x axis

docs/docs/charts/scatter.mdx

@@ -50,6 +50,7 @@ function example() {
 ## Dataset Properties
 
 The scatter chart supports all of the same properties as the [line chart](./charts/line.mdx#dataset-properties).
+By default, the scatter chart will override the showLine property of the line chart to `false`.
 
 ## Data Structure
 

src/controllers/controller.scatter.js

@@ -24,9 +24,12 @@ ScatterController.defaults = {
 		fill: false
 	},
 
+	interaction: {
+		mode: 'point'
+	},
+
 	plugins: {
 		tooltip: {
-			mode: 'point',
 			callbacks: {
 				title() {
 					return '';     // doesn't make sense for scatter since data are formatted as a point