message: Minor doc clarification
diff: @@ -459,7 +459,7 @@ with
  \subsection{Setting a Variable}
  \CmdStan uses \code{make} for building the \CmdStan tools and
  compiling Stan programs as executables. Users can customize how the
  -tools are built by editing \code{make/local} inside the
  +tools are built by creating and editing \code{make/local} inside their
  \code{<cmdstan-home>} directory.
  Customization is done by setting variables or appending to them. For
  