diff --git a/README.md b/README.md
index 144ef1e..572369e 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ The HDMF-common schema provides the following data structures:
   - **VocabData :** A data structure for representing a column where the data come from a controlled vocabulary of text values
 - **DynamicTableRegion :** A link from one table to an index or region of another
 - **CSRMatrix :** A compressed sparse row matrix
+- **ExternalResources :** A data structure that contains row-based compound-data tables for storing ontology information and
+  other external resource references
 
 The schema also provides the following base data structures:
 
diff --git a/common/base.yaml b/common/base.yaml
index e6c3e8c..1e8cbc0 100644
--- a/common/base.yaml
+++ b/common/base.yaml
@@ -10,12 +10,12 @@ groups:
 
 - data_type_def: SimpleMultiContainer
   data_type_inc: Container
-  doc: A simple Container for holding onto multiple containers
+  doc: A simple Container for holding onto multiple containers.
   datasets:
   - data_type_inc: Data
     quantity: '*'
-    doc: Data objects held within this SimpleMultiContainer
+    doc: Data objects held within this SimpleMultiContainer.
   groups:
   - data_type_inc: Container
     quantity: '*'
-    doc: Container objects held within this SimpleMultiContainer
+    doc: Container objects held within this SimpleMultiContainer.
diff --git a/common/namespace.yaml b/common/namespace.yaml
index 1fea12e..2b93f92 100644
--- a/common/namespace.yaml
+++ b/common/namespace.yaml
@@ -26,4 +26,4 @@ namespaces:
   - doc: data types for storing references to web accessible resources
     source: resources.yaml
     title: Resource reference data types
-  version: 1.3.0-alpha
+  version: 1.3.0
diff --git a/docs/source/conf.py b/docs/source/conf.py
index fe70b59..ae6168b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -83,7 +83,7 @@ def setup(app):
 # built documents.
 #
 # The short X.Y version.
-version = 'v1.3.0-alpha'
+version = 'v1.3.0'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/docs/source/format_release_notes.rst b/docs/source/format_release_notes.rst
index 33f1586..30d0132 100644
--- a/docs/source/format_release_notes.rst
+++ b/docs/source/format_release_notes.rst
@@ -1,7 +1,7 @@
 hdmf-common Release Notes
 =========================
 
-1.3.0 (Upcoming)
+1.3.0 (December 2, 2020)
 -------------------------
 
 - Add data type ``ExternalResources`` for storing ontology information / external resource references. NOTE: this