diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9120c4e..c94d03c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -318,11 +318,11 @@ sure to generate valid notebooks.
 
 ## 5.0.8
 
-- Add optional support for using \[fastjsonschema\]{.title-ref} as the
+- Add optional support for using [fastjsonschema]{.title-ref} as the
   JSON validation library. To enable fast validation, install
-  \[fastjsonschema\]{.title-ref} and set the environment variable
-  \[NBFORMAT_VALIDATOR\]{.title-ref} to the value
-  \[fastjsonschema\]{.title-ref}.
+  [fastjsonschema]{.title-ref} and set the environment variable
+  [NBFORMAT_VALIDATOR]{.title-ref} to the value
+  [fastjsonschema]{.title-ref}.
 
 ## 5.0.7
 
@@ -397,7 +397,7 @@ sure to generate valid notebooks.
   database.
 - Dict-like objects added to NotebookNode attributes are now
   transformed to be NotebookNode objects; transformation also works
-  for \[.update()\]{.title-ref}.
+  for [.update()]{.title-ref}.
 
 ## 4.3
 
diff --git a/nbformat/__init__.py b/nbformat/__init__.py
index d0fcf85..57940fc 100644
--- a/nbformat/__init__.py
+++ b/nbformat/__init__.py
@@ -16,23 +16,23 @@
 from .sentinel import Sentinel
 
 __all__ = [
-    "versions",
-    "validate",
+    "NO_CONVERT",
+    "NBFormatError",
+    "NotebookNode",
+    "Sentinel",
     "ValidationError",
+    "__version__",
     "convert",
-    "from_dict",
-    "NotebookNode",
     "current_nbformat",
     "current_nbformat_minor",
-    "NBFormatError",
-    "NO_CONVERT",
-    "reads",
+    "from_dict",
     "read",
-    "writes",
-    "write",
+    "reads",
+    "validate",
     "version_info",
-    "__version__",
-    "Sentinel",
+    "versions",
+    "write",
+    "writes",
 ]
 
 versions = {
diff --git a/nbformat/current.py b/nbformat/current.py
index c5ea4f6..78a9d9d 100644
--- a/nbformat/current.py
+++ b/nbformat/current.py
@@ -47,32 +47,32 @@
 )
 
 __all__ = [
+    "NBFormatError",
     "NotebookNode",
+    "convert",
+    "nbformat",
+    "nbformat_minor",
+    "nbformat_schema",
+    "new_author",
     "new_code_cell",
-    "new_text_cell",
+    "new_heading_cell",
+    "new_metadata",
     "new_notebook",
     "new_output",
+    "new_text_cell",
     "new_worksheet",
     "parse_filename",
-    "new_metadata",
-    "new_author",
-    "new_heading_cell",
-    "nbformat",
-    "nbformat_minor",
-    "nbformat_schema",
-    "to_notebook_json",
-    "convert",
-    "validate",
-    "NBFormatError",
     "parse_py",
+    "read",
+    "reads",
     "reads_json",
-    "writes_json",
     "reads_py",
-    "writes_py",
-    "reads",
-    "writes",
-    "read",
+    "to_notebook_json",
+    "validate",
     "write",
+    "writes",
+    "writes_json",
+    "writes_py",
 ]
 
 current_nbformat = nbformat
diff --git a/nbformat/json_compat.py b/nbformat/json_compat.py
index 3921931..ae2b26a 100644
--- a/nbformat/json_compat.py
+++ b/nbformat/json_compat.py
@@ -16,11 +16,11 @@
 from jsonschema.exceptions import ErrorTree, ValidationError
 
 __all__ = [
-    "ValidationError",
-    "JsonSchemaValidator",
+    "VALIDATORS",
     "FastJsonSchemaValidator",
+    "JsonSchemaValidator",
+    "ValidationError",
     "get_current_validator",
-    "VALIDATORS",
 ]
 
 
diff --git a/nbformat/v3/__init__.py b/nbformat/v3/__init__.py
index 0f0c96a..0f2f830 100644
--- a/nbformat/v3/__init__.py
+++ b/nbformat/v3/__init__.py
@@ -6,30 +6,30 @@
 
 __all__ = [
     "NotebookNode",
+    "downgrade",
+    "nbformat",
+    "nbformat_minor",
+    "nbformat_schema",
+    "new_author",
     "new_code_cell",
-    "new_text_cell",
+    "new_heading_cell",
+    "new_metadata",
     "new_notebook",
     "new_output",
+    "new_text_cell",
     "new_worksheet",
-    "new_metadata",
-    "new_author",
-    "new_heading_cell",
-    "nbformat",
-    "nbformat_minor",
-    "nbformat_schema",
-    "reads_json",
-    "writes_json",
+    "parse_filename",
     "read_json",
-    "write_json",
-    "to_notebook_json",
-    "reads_py",
-    "writes_py",
     "read_py",
-    "write_py",
+    "reads_json",
+    "reads_py",
+    "to_notebook_json",
     "to_notebook_py",
-    "downgrade",
     "upgrade",
-    "parse_filename",
+    "write_json",
+    "write_py",
+    "writes_json",
+    "writes_py",
 ]
 
 import os
diff --git a/nbformat/v4/__init__.py b/nbformat/v4/__init__.py
index 0653ff4..479976a 100644
--- a/nbformat/v4/__init__.py
+++ b/nbformat/v4/__init__.py
@@ -5,20 +5,20 @@
 from __future__ import annotations
 
 __all__ = [
+    "downgrade",
     "nbformat",
     "nbformat_minor",
     "nbformat_schema",
     "new_code_cell",
     "new_markdown_cell",
-    "new_raw_cell",
     "new_notebook",
     "new_output",
+    "new_raw_cell",
     "output_from_msg",
     "reads",
-    "writes",
     "to_notebook",
-    "downgrade",
     "upgrade",
+    "writes",
 ]
 
 from .convert import downgrade, upgrade
diff --git a/nbformat/validator.py b/nbformat/validator.py
index 3344dbe..c1d61e2 100644
--- a/nbformat/validator.py
+++ b/nbformat/validator.py
@@ -23,14 +23,14 @@
 
 
 __all__ = [
+    "NotebookValidationError",
     "ValidationError",
+    "better_validation_error",
     "get_validator",
     "isvalid",
-    "NotebookValidationError",
-    "better_validation_error",
+    "iter_validate",
     "normalize",
     "validate",
-    "iter_validate",
 ]