fix typo (#164) · yahoo/serialize-javascript@5a1fa64

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ The above will produce the following string output:`
`56`	`56`	`'{"str":"string","num":0,"obj":{"foo":"foo"},"arr":[1,2,3],"bool":true,"nil":null,"undef":undefined,"inf":Infinity,"date":new Date("2016-04-28T22:02:17.000Z"),"map":new Map([["hello","world"]]),"set":new Set([123,456]),"fn":function echo(arg) { return arg; },"re":new RegExp("([^\\\\s]+)", "g"),"big":BigInt("10")}'`
`57`	`57`	```
`58`	`58`
`59`		-Note: to produced a beautified string, you can pass an optional second argument to `serialize()` to define the number of spaces to be used for the indentation.
	`59`	+Note: to produce a beautified string, you can pass an optional second argument to `serialize()` to define the number of spaces to be used for the indentation.
`60`	`60`
`61`	`61`	`### Automatic Escaping of HTML Characters`
`62`	`62`