update documentation

Author: h908714124

README.md

@@ -1,10 +1,10 @@
 [![either](https://maven-badges.herokuapp.com/maven-central/io.github.jbock-java/either/badge.svg?subject=either)](https://maven-badges.herokuapp.com/maven-central/io.github.jbock-java/either)
 
 The `Either` type is closely related to `Optional`, but can have different "failure" states, other than only *empty*.
-An `Either` can be used to properly return error messages from stream operations,
-or as a lightweight alternative to exceptions.
+`Either` can be used to collect error messages in stream operations,
+or simply as a lightweight alternative to throwing an Exception.
 
 There are several popular libraries that offer an `Either` type,
 including [vavr](https://github.com/vavr-io/vavr), [fugue](https://bitbucket.org/atlassian/fugue/src/master/), and [lambda](https://github.com/palatable/lambda).
-This particular `Either` might be easier to work with, especially if you're already familiar with `Optional`.
+This particular `Either` is easy to work with if you're already familiar with `Optional`.