diff --git a/.readthedocs.yml b/.readthedocs.yml
index 19dfdc5..da85a79 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,9 +1,22 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
 version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
 python:
   install:
-    - requirements: docs_requirements.txt
-    - method: pip
-      path: .
-sphinx:
-  builder: dirhtml
-  fail_on_warning: true
+  - requirements: requirements/docs.txt
diff --git a/docs/conf.py b/docs/conf.py
index 78c8b29..d6308f8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -61,7 +61,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
@@ -84,9 +84,7 @@
 # documentation.
 #
 html_theme_options = {
-    'github_user': 'helloflask',
     'index_logo': 'flask-ckeditor.png',
-    'github_fork': 'helloflask/flask-ckeditor',
 }
 
 # Add any paths that contain custom static files (such as style sheets) here,
diff --git a/docs/plugins.rst b/docs/plugins.rst
index a8ed9f7..59cc2aa 100644
--- a/docs/plugins.rst
+++ b/docs/plugins.rst
@@ -41,8 +41,7 @@ will be used, defaults to ``Upload failed.``. Here is the full example:
        url = url_for('uploaded_files', filename=f.filename)
        return upload_success(url, filename=f.filename)  # return upload_success call
 
-.. note:: The key passed to ``request.files.get()`` must be ``'upload'``,
-it's defined by CKEditor and it's not the name of the view function.
+.. note:: The key passed to ``request.files.get()`` must be ``'upload'``, it's defined by CKEditor and it's not the name of the view function.
 
 In the template, you have to call ``ckeditor.config()`` to make the configuration work:
 
@@ -89,8 +88,7 @@ If the CKEditor version you use is below 4.5, you will need to use ``@ckeditor.u
 
 You can use the configuration variable ``CKEDITOR_UPLOAD_ERROR_MESSAGE`` to customize the error message when the upload failed, it defaults to ``Upload failed.``
 
-.. note:: The key passed to ``request.files.get()`` must be ``'upload'``,
-it's defined by CKEditor and it's not the name of the view function.
+.. note:: The key passed to ``request.files.get()`` must be ``'upload'``, it's defined by CKEditor and it's not the name of the view function.
 
 In the template, you have to call ``ckeditor.config()`` to make the configuration work:
 
diff --git a/flask_ckeditor/__init__.py b/flask_ckeditor/__init__.py
index 5f04363..97f2c91 100644
--- a/flask_ckeditor/__init__.py
+++ b/flask_ckeditor/__init__.py
@@ -264,7 +264,7 @@ def upload():
     :param filename: the filename of uploaded image, optional.
     :param message: the warning message displayed to the user, optional.
 
-    .. veresionchanged:: 0.4.7
+    .. versionchanged:: 0.4.7
        Add new parameter ``message``.
 
     .. versionadded:: 0.4.0
diff --git a/requirements/dev.in b/requirements/dev.in
index 66d8212..8764833 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -2,4 +2,4 @@
 -r docs.in
 -r style.in
 pip-compile-multi
-tox
\ No newline at end of file
+tox
diff --git a/requirements/docs.in b/requirements/docs.in
index df86c10..695d3e0 100644
--- a/requirements/docs.in
+++ b/requirements/docs.in
@@ -1,3 +1,3 @@
 sphinx
 pallets-sphinx-themes
-sphinxcontrib-log-cabinet
\ No newline at end of file
+sphinxcontrib-log-cabinet
diff --git a/requirements/example.in b/requirements/example.in
index 6520b17..977adb1 100644
--- a/requirements/example.in
+++ b/requirements/example.in
@@ -3,4 +3,4 @@ flask-wtf
 flask-ckeditor
 flask-admin
 flask-sqlalchemy
-tablib
\ No newline at end of file
+tablib
diff --git a/requirements/style.in b/requirements/style.in
index 1ae3ec6..3930480 100644
--- a/requirements/style.in
+++ b/requirements/style.in
@@ -1 +1 @@
-flake8
\ No newline at end of file
+flake8
diff --git a/requirements/tests.in b/requirements/tests.in
index 823c2f7..da0230e 100644
--- a/requirements/tests.in
+++ b/requirements/tests.in
@@ -4,4 +4,4 @@ flask
 flask-wtf
 flask-admin
 flask-sqlalchemy
-tablib
\ No newline at end of file
+tablib
diff --git a/tox.ini b/tox.ini
index a089afd..642b196 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 envlist = py37, py38, py39, py310, py311, docs
 skip_missing_interpreters = true
-skipsdist = true
+# skipsdist = true
 
 [testenv]
 commands = 
@@ -22,3 +22,7 @@ commands =
     flake8 flask_ckeditor test_flask_ckeditor.py
 deps =
     flake8
+
+[testenv:docs]
+deps = -r requirements/docs.txt
+commands = sphinx-build -W -b html -d {envtmpdir}/doctrees docs {envtmpdir}/html