diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
new file mode 100644
index 000000000..3ebbf5504
--- /dev/null
+++ b/.github/workflows/codespell.yml
@@ -0,0 +1,22 @@
+---
+name: Codespell
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2
diff --git a/README.md b/README.md
index a5a7d0fc3..1be1b9fd3 100644
--- a/README.md
+++ b/README.md
@@ -105,7 +105,7 @@ niCHART --data_file istaging.pkl.gz
 ```
 
 ## Build executable package for Windows 10/11
-We use (beeware/briefcase)[https://github.com/beeware/briefcase)] to package
+We use [beeware/briefcase](https://github.com/beeware/briefcase) to package
 the software in Windows 10/11.
 
 ```shell
diff --git a/docs/contents/development.rst b/docs/contents/development.rst
index 932367cec..38903a62c 100644
--- a/docs/contents/development.rst
+++ b/docs/contents/development.rst
@@ -53,7 +53,7 @@ directory.
     python -m pip install https://github.com/CBICA/niCHART
 
 
-Once installed, the GUI is accesible as command `niCHART`.
+Once installed, the GUI is accessible as command `niCHART`.
 
 .. code-block:: shell
 
@@ -65,7 +65,7 @@ Once installed, the GUI is accesible as command `niCHART`.
 Build documentation locally
 ***************************
 
-When ``sphinx-autobuild`` is installed, the documentation can bu built locally
+When ``sphinx-autobuild`` is installed, the documentation can be built locally
 and automatically updates when one of the source files changes.
 
 .. code-block:: shell
diff --git a/docs/contents/userguide.rst b/docs/contents/userguide.rst
index 34acb88ca..2c5158433 100644
--- a/docs/contents/userguide.rst
+++ b/docs/contents/userguide.rst
@@ -59,7 +59,7 @@ directory.
     python -m pip install https://github.com/CBICA/niCHART
 
 
-Once installed, the GUI is accesible as command `niCHART`.
+Once installed, the GUI is accessible as command `niCHART`.
 
 .. code-block:: shell
 
@@ -147,7 +147,7 @@ the ``SPARE-*`` plug in.
 
 SPARE-*
 =======
-This plugin is used to load a SPARE-* model, apply it ot the data set, and
+This plugin is used to load a SPARE-* model, apply it to the data set, and
 optionally add the derived scores to the data set.
 Currently only ``SPARE-AD`` and ``SPARE-BA`` are supported.
 After loading the model, the plugin will verify that the loaded model is
@@ -156,7 +156,7 @@ To be applied to the data, harmonized features need to be present in the data
 frame.
 After running the plugin ``Harmonization``, the necessary standardized features
 are available.
-The computation of the scores runs asyncronously, which means that the rest of
+The computation of the scores runs asynchronously, which means that the rest of
 the user interface remains operational.
 
 .. figure:: images/ScreenshotSPARE.png
diff --git a/niCHART/core/baseplugin.py b/niCHART/core/baseplugin.py
index 5305fddf4..a29870f47 100644
--- a/niCHART/core/baseplugin.py
+++ b/niCHART/core/baseplugin.py
@@ -21,7 +21,7 @@ def __init__(self):
 
         def activate(self):
                 """
-                On activation tell that this has been successfull.
+                On activation tell that this has been successful.
                 """
                 # get the automatic procedure from IPlugin
                 IPlugin.activate(self)
diff --git a/pyproject.toml b/pyproject.toml
index 8d42cb3eb..e57be944d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -131,3 +131,8 @@ documentation = "https://cbica.github.io/niCHART"
 
 [tool.poetry.scripts]
 niCHART = "niCHART:main"
+
+[tool.codespell]
+skip = '.git,*.pdf,*.svg,MUSE*.csv'
+#
+ignore-words-list = 'te'