Fix typos

D:

Author: tfausak

content/issues/123.markdown

@@ -68,7 +68,7 @@ This is a weekly summary of what's going on in its community.
 -   [Which IDE are you using for Hakell?](https://np.reddit.com/r/haskell/comments/9bxbwp/which_ide_are_you_using_for_hakell/)
 -   [Why I never finish my Haskell programs (part 1 of ∞)](https://blog.plover.com/2018/09/03/)
 
-## Packages of the week
+## Package of the week
 
 This week's package of the week is [Megaparsec](https://hackage.haskell.org/package/megaparsec-7.0.0),
 an industrial-strength monadic parser combinator library.

content/issues/124.markdown

@@ -68,7 +68,7 @@ This is a weekly summary of what's going on in its community.
 -   [Punching a big hole through a newtype](https://np.reddit.com/r/haskell/comments/9epupm/punching_a_big_hole_through_a_newtype/)
 -   [Why I never finish my Haskell programs: Part 2 of ∞](https://blog.plover.com/prog/haskell/what-goes-wrong-2.html)
 
-## Packages of the week
+## Package of the week
 
 This week's package of the week is [Range](https://hackage.haskell.org/package/range-0.2.1.1),
 an efficient and versatile range library.

content/issues/125.markdown

@@ -44,7 +44,7 @@ This is a weekly summary of what's going on in its community.
 
     > In these next two articles, we'll examine Spock, another HTTP library. We'll compare it to Servant and see what the different design decisions are. We'll start this week by looking at the basics of routing.
 
-## Packages of the week
+## Package of the week
 
 This week's package of the week is [`simple-reflect`](https://hackage.haskell.org/package/simple-reflect-0.3.3),
 a library that allows reflection of expressions containing variables.