Update docs for from_pretrained

docs/source/quicktour.rst

@@ -706,10 +706,22 @@ In this case, the `attention mask` generated by the tokenizer takes the padding
 .. only:: python
 
     Using a pretrained tokenizer
-    ----------------------------------------------------------------------------------------------------
+    ------------------------------------------------------------------------------------------------
 
-    You can also use a pretrained tokenizer directly in, as long as you have its vocabulary file. For
-    instance, here is how to get the classic pretrained BERT tokenizer:
+    You can load any tokenizer from the Hugging Face Hub as long as a `tokenizer.json` file is
+    available in the repository.
+
+    .. code-block:: python
+
+        from tokenizers import Tokenizer
+
+        tokenizer = Tokenizer.from_pretrained("bert-base-uncased")
+
+    Importing a pretrained tokenizer from legacy vocabulary files
+    ------------------------------------------------------------------------------------------------
+
+    You can also import a pretrained tokenizer directly in, as long as you have its vocabulary file.
+    For instance, here is how to import the classic pretrained BERT tokenizer:
 
     .. code-block:: python
 
@@ -722,8 +734,3 @@ In this case, the `attention mask` generated by the tokenizer takes the padding
     .. code-block:: bash
 
         wget https://s3.amazonaws.com/models.huggingface.co/bert/bert-base-uncased-vocab.txt
-
-    .. note::
-
-        Better support for pretrained tokenizers is coming in a next release, so expect this API to
-        change soon.