message: Update src/axom/sidre/tests/spio/spio_serial.hpp
diff: @@ -185,7 +185,7 @@ TEST(spio_serial, rootfile_suffix)
  // case is that the suffix ".root" is appended to the string to name the
  // root file, and the given string is used to name the subdirectory holding
  // the data files. The exception is if the string already has the suffix
  - // ".root", is is used unchanged to name the root file, and the suffix is
  + // ".root", it is used unchanged to name the root file, and the suffix is
  // removed to create a base string to name the subdirectory and the data
  // files.
  