       { 'include': '#block_comment' }
       { 'include': '#line_comment' }
       { 'include': '#sigils' }
-      { 'include': '#mut' }
+      { 'include': '#mutable' }
       { 'include': '#lifetime' }
       { 'include': '#core_types' }
       { 'include': '#core_marker' }

    'match': '\\bunsafe\\b'
  }
  { 'include': '#sigils' }
  { 'include': '#self' }
  { 'include': '#mut' }
  { 'include': '#box' }
  { 'include': '#lifetime' }
  { 'include': '#ref_lifetime' }

    'comment': 'Standard library type'
    'name': 'storage.class.std.reason'
    'match': '\\b(Box|String|Vec|Path|PathBuf)\\b'
  }
  'std_traits': {
    'comment': 'Standard library trait'
