Add dataset_versioning section to doc

Conchylicultor · copybara-github · commit e6609c636983 · 2019-07-23T06:42:40.000-07:00
PiperOrigin-RevId: 259525915
diff --git a/docs/_book.yaml b/docs/_book.yaml
@@ -19,6 +19,8 @@ upper_tabs:
       contents:
       - title: Overview
         path: /datasets/overview
+      - title: Versioning
+        path: /datasets/datasets_versioning
       - title: Splits
         path: /datasets/splits
       - title: Add a dataset
diff --git a/docs/datasets_versioning.md b/docs/datasets_versioning.md
@@ -82,7 +82,7 @@ use. For example:
 
 ```py
 tfds.load('imagenet2012:2.0.1')
-tfds.builder('imagenet2012:2.0.1'')
+tfds.builder('imagenet2012:2.0.1')
 
 tfds.load('imagenet2012:2.0.0')  # Error: unsupported version.
 
