Merge pull request #2118 from performantdata/patch-1

fix typo

Author: Philippus

_sips/sips/2014-06-27-42.type.md

@@ -58,7 +58,7 @@ many important Scala libraries. The lack of first class syntax for literal types
 authors to use the experimental Scala macro system to provide a means to express them. Whilst this
 has proved to be extremely successful, it has poor ergonomics (although this can typically be hidden
 from library _users_) and is not portable -- because Scala macros in general and the mechanisms used
-to expose literal types to Scala programmes in particular depend on internal implementation details
+to expose literal types to Scala programs in particular depend on internal implementation details
 of the current Scala compiler.
 
 The poor ergonomics of macro-based exposure of literal types was the original motivation for this
@@ -207,7 +207,7 @@ val book: Book =
 
 shapeless enables generic programming and type class derivation by providing a mechanism for mapping
 a value of a standard Scala algebraic data type onto a sum of products representation type,
-essentially nested labelled `Either`'s of the records discussed above. Techniques of this sort are
+essentially nested labelled `Either`s of the records discussed above. Techniques of this sort are
 widely used, and removing the incidental complexity that comes with encoding via macros will improve
 the experience for many users across a wide variety of domains.
 
@@ -448,7 +448,7 @@ applications which work with large datasets.
   ```
   final val narrow = 23      // inferred type of narrow: 23
 
-  class Widen
+  class Wide
   object Narrow extends Wide
   def id[T](t: T): T = t
   id(Narrow)                 // result is Narrow: Narrow.type