diff --git a/docs/source/index.rst b/docs/source/index.rst
index bc93840..be2b6cf 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -10,7 +10,7 @@ Specification for the ndx-hed extension
 
 .. toctree::
     :numbered:
-    :maxdepth: 3
+    :maxdepth: 5
     :caption: Extension Specification
 
     format
diff --git a/spec/ndx-hed.extensions.yaml b/spec/ndx-hed.extensions.yaml
index a5c1954..4cdcf25 100644
--- a/spec/ndx-hed.extensions.yaml
+++ b/spec/ndx-hed.extensions.yaml
@@ -1,6 +1,7 @@
 datasets:
 - neurodata_type_def: HedTags
   neurodata_type_inc: VectorData
+  name: HED
   dtype: text
   doc: An extension of VectorData for Hierarchical Event Descriptor (HED) tags. If
     HED tags are used, the HED schema version must be specified in the NWB file using
diff --git a/src/spec/create_extension_spec.py b/src/spec/create_extension_spec.py
index 2d1fbb3..ee0ad4f 100644
--- a/src/spec/create_extension_spec.py
+++ b/src/spec/create_extension_spec.py
@@ -34,6 +34,7 @@ def main():
     hed_tags = NWBDatasetSpec(
         neurodata_type_def="HedTags",
         neurodata_type_inc="VectorData",
+        name='HED',
         doc=("An extension of VectorData for Hierarchical Event Descriptor (HED) tags. If HED tags are used, "
              "the HED schema version must be specified in the NWB file using the HedMetadata type."),
         dtype="text",