Internal change

PiperOrigin-RevId: 467055112

docs/nlp/_guide_toc.yaml

+toc:
+- heading: TensorFlow Models - NLP
+  style: divider
+- title: "Overview"
+  path: /tfmodels/nlp
+- title: "Customize a transformer encoder"
+  path: /tfmodels/customize_encoder

docs/nlp/index.ipynb

@@ -356,7 +356,7 @@
         "id": "QpB9pgj4PpMg"
       },
       "source": [
-        "Inspecting the `bert_span_labeler`, we see it wraps the encoder with additional `SpanLabeling` that outputs `start_position` and `end_postion`."
+        "Inspecting the `bert_span_labeler`, we see it wraps the encoder with additional `SpanLabeling` that outputs `start_position` and `end_position`."
       ]
     },
     {