message: Fix typo "comptuation" (computation)
diff: @@ -77,7 +77,7 @@ class HloOrdering {
  // Precondition: 'a' and 'b' are in the same computation.
  //
  // Derived classes should implement this method for determining order of
  - // instructions in the same comptuation. ExecutesBefore() analyzes the
  + // instructions in the same computation. ExecutesBefore() analyzes the
  // callgraph and uses this method to determine ordering of instructions in
  // different computations.
  virtual bool ExecutesBeforeInSameComputation(
  