message: one more doc fix
diff: @@ -67,7 +67,11 @@ endif
  @echo ''
  @echo ' Note: to build using multiple cores, use the -j option to make. '
  @echo ' For 4 cores:'
  +ifeq ($(OS),Windows_NT)
  + @echo ' > mingw32-make build -j4'
  +else
  @echo ' > make build -j4'
  +endif
  @echo ''
  ifeq ($(OS),Windows_NT)
  @echo ' On Windows it is recommended include in the PATH environment'
  