diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 2ab80511e..f6e53d6c7 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -88,13 +88,13 @@ jobs:
 
         # 10. Build doc
         cd ./docs
-        sphinx-build ./source _local_build
+        make docs
         cd ..
 
-        cp -r docs/_local_build/* "${RUNNER_ARTIFACT_DIR}"
+        cp -r docs/build/* "${RUNNER_ARTIFACT_DIR}"
         echo $(ls "${RUNNER_ARTIFACT_DIR}")
         if [[ ${{ github.event_name == 'pull_request' }} ]]; then
-          cp -r docs/_local_build/* "${RUNNER_DOCS_DIR}"
+          cp -r docs/build/* "${RUNNER_DOCS_DIR}"
         fi
 
   upload:
diff --git a/docs/source/reference/nn.rst b/docs/source/reference/nn.rst
index 943956117..6a87e7c8a 100644
--- a/docs/source/reference/nn.rst
+++ b/docs/source/reference/nn.rst
@@ -323,7 +323,7 @@ Distributions
     :toctree: generated/
     :template: rl_template_noinherit.rst
 
-    NormalParamsExtractor
+    NormalParamExtractor
     AddStateIndependentNormalScale
     CompositeDistribution
     Delta
diff --git a/docs/source/reference/tensordict.rst b/docs/source/reference/tensordict.rst
index 6369a3bdc..a47f50a36 100644
--- a/docs/source/reference/tensordict.rst
+++ b/docs/source/reference/tensordict.rst
@@ -119,7 +119,6 @@ Utils
     utils.expand_right
     utils.isin
     utils.remove_duplicates
-    is_memmap
     is_batchedtensor
     is_tensor_collection
     make_tensordict
diff --git a/tensordict/__init__.py b/tensordict/__init__.py
index ffe08138e..fa1611ee0 100644
--- a/tensordict/__init__.py
+++ b/tensordict/__init__.py
@@ -49,6 +49,7 @@
     is_batchedtensor,
     is_tensorclass,
     lazy_legacy,
+    parse_tensor_dict_string,
     set_lazy_legacy,
     unravel_key,
     unravel_key_list,