Update _tour/tuples.md

NthPortal · SethTisue · web-flow · commit 6ba8aa43eb53 · 2019-01-21T07:10:59.000-08:00
Co-Authored-By: SethTisue &lt;seth@tisue.net&gt;
diff --git a/_tour/tuples.md b/_tour/tuples.md
@@ -80,5 +80,5 @@ for ((a, b) <- numPairs) {
 
 ## Tuples and case classes
 
-Users may sometimes find hard to choose between tuples and case classes. Case classes have named elements. The names can improve the readability of some kinds of code. In the planet example above, we might define `case class Planet(name: String, distance: Double)` rather than using tuples.
+Users may sometimes find it hard to choose between tuples and case classes. Case classes have named elements. The names can improve the readability of some kinds of code. In the planet example above, we might define `case class Planet(name: String, distance: Double)` rather than using tuples.
 

Original file line number	Diff line number	Diff line change
`@@ -80,5 +80,5 @@ for ((a, b) <- numPairs) {`
`80`	`80`
`81`	`81`	`## Tuples and case classes`
`82`	`82`
`83`		-Users may sometimes find hard to choose between tuples and case classes. Case classes have named elements. The names can improve the readability of some kinds of code. In the planet example above, we might define `case class Planet(name: String, distance: Double)` rather than using tuples.
	`83`	+Users may sometimes find it hard to choose between tuples and case classes. Case classes have named elements. The names can improve the readability of some kinds of code. In the planet example above, we might define `case class Planet(name: String, distance: Double)` rather than using tuples.
`84`	`84`