doc: fix typo in vm.runInNewContext() description

doc: fix typo in vm.runInNewContext() description · nodejs/node@bb3b4d7

Original file line number	Diff line number	Diff line change
`@@ -321,7 +321,7 @@ added: v0.3.1`
`321`	`321`	before terminating execution. If execution is terminated, an [`Error`][]
`322`	`322`	`will be thrown.`
`323`	`323`
`324`		-The `vm.runInContext()` first contextifies the given `sandbox` object (or
	`324`	+The `vm.runInNewContext()` first contextifies the given `sandbox` object (or
`325`	`325`	creates a new `sandbox` if passed as `undefined`), compiles the `code`, runs it
`326`	`326`	`within the context of the created context, then returns the result. Running code`
`327`	`327`	`does not have access to the local scope.`