message: Strategy.scope's doc typo fix.
diff: @@ -893,7 +893,7 @@ class StrategyBase(object):
  automatically enter it for you. Any variable that is created outside scope
  will not be distributed and may have performance implications. Some common
  objects that create variables in TF are Models, Optimizers, Metrics. Such
  - objects should always be initiliazized in the scope, and any functions
  + objects should always be initialized in the scope, and any functions
  that may lazily create variables (e.g., `Model.__call__()`, tracing a
  `tf.function`, etc.) should similarly be called within scope. Another
  source of variable creation can be a checkpoint restore - when variables
  