message: fix minor repetition
diff: @@ -63,7 +63,7 @@ if [ -s "$0.err" ]; then
  To correct this error, run 'make style' and make sure that:
  -1) Make sure that you are using Artistic Style 2.05.1 ("astyle --version").
  +1) You are using Artistic Style 2.05.1 ("astyle --version").
  2) There is no use of std::cout or std::cerr inside the library code (examples
  and miniapps are OK). Use mfem::out and mfem::err instead.
  3) Run "make style" to apply astyle formatting and verify your code.
  