 
   ## Aliases
 
-  Aliases are shortcut or tasks specific to the current project.
+  Aliases are shortcuts or tasks specific to the current project.
 
   In the `Mix.Task` section, we have defined a task that would be
   available to everyone using our project as a dependency. What if

  Mix provides environments.

  Environments allow developers to prepare and organize their project
  specific to different scenarios. By default, Mix provides three
  environments:

    * `:dev` - the default environment

  `mix hello`, which is the equivalent to the `Mix.Tasks.Hello`
  we have defined in the `Mix.Task` section.

  Aliases may also be lists, specifying multiple tasks to run
  at once:

      [all: [&hello/1, "deps.get --only #{Mix.env}", "compile"]]
