diff --git a/.codespellrc b/.codespellrc
new file mode 100644
index 0000000..1cd4cac
--- /dev/null
+++ b/.codespellrc
@@ -0,0 +1,6 @@
+[codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = .git*,.codespellrc
+check-hidden = true
+# ignore-regex = 
+# ignore-words-list =
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
new file mode 100644
index 0000000..b026c85
--- /dev/null
+++ b/.github/workflows/codespell.yml
@@ -0,0 +1,25 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Annotate locations with typos
+        uses: codespell-project/codespell-problem-matcher@v1
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2
diff --git a/common/panopto_oauth2.py b/common/panopto_oauth2.py
index 80baaa6..1d09b73 100644
--- a/common/panopto_oauth2.py
+++ b/common/panopto_oauth2.py
@@ -49,12 +49,12 @@ def get_access_token_authorization_code_grant(self):
          5. Save the token object, which includes refersh_token, for later refrehsh operation.
         '''
         
-        # First, try getting a new access token from refesh token.
+        # First, try getting a new access token from refresh token.
         access_token = self.__get_refreshed_access_token()
         if access_token:
             return access_token
 
-        # Then, fallback to the full autorization path. Offline access scope is needed to get refresh token.
+        # Then, fallback to the full authorization path. Offline access scope is needed to get refresh token.
         scope = list(DEFAULT_SCOPE) + ['offline_access']
         session = OAuth2Session(self.client_id, scope = scope, redirect_uri = REDIRECT_URL)
         
diff --git a/folders-cli/panopto_folders.py b/folders-cli/panopto_folders.py
index 6938eb9..b000775 100644
--- a/folders-cli/panopto_folders.py
+++ b/folders-cli/panopto_folders.py
@@ -25,7 +25,7 @@ def __setup_or_refresh_access_token(self):
         This method invokes OAuth2 Authorization Code Grant authorization flow.
         It goes through browser UI for the first time.
         It refreshes the access token after that and no user interfaction is requetsed.
-        This is called at the initialization of the class, as well as when 401 (Unaurhotized) is returend.
+        This is called at the initialization of the class, as well as when 401 (Unaurhotized) is returned.
         '''
         access_token = self.oauth2.get_access_token_authorization_code_grant()
         self.requests_session.headers.update({'Authorization': 'Bearer ' + access_token})
@@ -38,7 +38,7 @@ def __inspect_response_is_retry_needed(self, response):
 
         This method detects 401 (Unauthorized), refresh the access token, and returns as "is retry needed".
         This method also detects 429 (Too many request) which means API throttling by the server. Wait a sec and return as "is retry needed".
-        Prodcution code should handle other failure cases and errors as appropriate.
+        Production code should handle other failure cases and errors as appropriate.
         '''
         if response.status_code // 100 == 2:
             # Success on 2xx response.
diff --git a/folders-cli/sample.py b/folders-cli/sample.py
index e7eaa05..6e03c6a 100644
--- a/folders-cli/sample.py
+++ b/folders-cli/sample.py
@@ -57,7 +57,7 @@ def get_and_display_folder(folders, folder_id):
     print()
     print('Folder:')
     if folder_id == GUID_TOPLEVEL:
-        print('  Top level folder (no detail informaiton is available)')
+        print('  Top level folder (no detail information is available)')
         return None
 
     folder = folders.get_folder(folder_id)
diff --git a/sessions-cli/panopto_sessions.py b/sessions-cli/panopto_sessions.py
index f01f2e0..6da6761 100644
--- a/sessions-cli/panopto_sessions.py
+++ b/sessions-cli/panopto_sessions.py
@@ -25,7 +25,7 @@ def __setup_or_refresh_access_token(self):
         This method invokes OAuth2 Authorization Code Grant authorization flow.
         It goes through browser UI for the first time.
         It refreshes the access token after that and no user interfaction is requetsed.
-        This is called at the initialization of the class, as well as when 401 (Unauthorized) is returend.
+        This is called at the initialization of the class, as well as when 401 (Unauthorized) is returned.
         '''
         access_token = self.oauth2.get_access_token_authorization_code_grant()
         self.requests_session.headers.update({'Authorization': 'Bearer ' + access_token})
@@ -38,7 +38,7 @@ def __inspect_response_is_retry_needed(self, response):
 
         This method detects 401 (Unauthorized), refresh the access token, and returns as "is retry needed".
         This method also detects 429 (Too many request) which means API throttling by the server. Wait a sec and return as "is retry needed".
-        Prodcution code should handle other failure cases and errors as appropriate.
+        Production code should handle other failure cases and errors as appropriate.
         '''
         if response.status_code // 100 == 2:
             # Success on 2xx response.