Minor doc change

Author: fehrenbach

src/Data/HashMap.purs

@@ -129,7 +129,7 @@ foreign import traverseWithIndexPurs :: forall k v w m. (forall a. a -> m a) ->
 -- | This newtype provides a `Semigroup` instance for `HashMap k v`
 -- | which delegates to the `Semigroup v` instance of elements.
 -- |
--- | This is part of the following migration process:
+-- | We are currently in step 1 of the following migration process:
 -- | 1. Add `SemigroupHashMap` with the new `Semigroup` instance and remove old instance from `HashMap`.
 -- |
 -- |    The new instance uses `unionWith append` instead of `union`.