message: README fix typo: "is requires"
diff: @@ -62,7 +62,7 @@ Check out the [projects list!](docs/Projects.md)
  ## Usage
  -ggez is requires rustc >= 1.31 and distributed on
  +ggez requires rustc >= 1.31 and is distributed on
  crates.io. To include it in your project, just add the dependency
  line to your `Cargo.toml` file:
  