message: docs: fix typo in bootstrapping guide
  Fixes
  PR Close
diff: @@ -144,7 +144,7 @@ or pipe when the referenced class is declared in this module or
  the class was imported from another module.
  You don't have any services to provide yet.
  -But you will create some before long and you may chose to provide many of them here.
  +But you will create some before long and you may choose to provide many of them here.
  {@a bootstrap-array}
  