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Original file line number	Diff line number	Diff line change
@@ -50,7 +50,7 @@ As we can see, the new function is a wrapper around the original `loadScript` fu
`50`	`50`
`51`	`51`	Now `loadScriptPromise` fits well in promise-based code. If we like promises more than callbacks (and soon we'll see more reasons for that), then we will use it instead.
`52`	`52`
`53`		`-In practice we may need to promisify more than one function, so it makes sense to use a helper.`
	`53`	`+In practice we may need to promisify more than one function, so it makes sense to use a helper.`
`54`	`54`
`55`	`55`	We'll call it `promisify(f)`: it accepts a to-promisify function `f` and returns a wrapper function.
`56`	`56`

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