anchor.diff:          member this.Usage =
               match this with
               | Nuget(_) -> "NuGet package id."
  -            | Group(_) -> "Add the package to the given group. If omited the Main group is used."
  +            | Group(_) -> "Add the package to the given group. If omitted the Main group is used."
               | Version(_) -> "Allows to specify version of the package."
               | Project(_) -> "Allows to add the package to a single project only."
               | Force -> "Forces the download and reinstallation of all packages."
  
positive.code:     interface IArgParserTemplate with
          member this.Usage =
              match this with
              | Group(_) -> "Allows to specify a group. If omited the Main group is used."
              | Packages(_) -> "List of packages."
  
  type InitArgs =
  
negative.code:         member this.Usage =
              match this with
              | Nuget(_) -> "NuGet package id."
              | Group(_) -> "Removes the package from the given group. If omitted the Main group is used."
              | Project(_) -> "Allows to remove the package from a single project only."
              | Force -> "Forces the download and reinstallation of all packages."
              | Interactive -> "Asks the user for every project if he or she wants to remove the package from the projects's paket.references file. By default every installation of the package is removed."
  