diff --git a/.codespellrc b/.codespellrc
new file mode 100644
index 0000000000..0309c9205d
--- /dev/null
+++ b/.codespellrc
@@ -0,0 +1,6 @@
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+[codespell]
+skip = .git,*.pdf,*.svg,go.sum,*.lock,.codespellrc,.yarn,node_modules,schema-validator.js,.pnp.cjs
+check-hidden = true
+ignore-regex = ^.{300,}$|/((.*\|){4,}.*\))|\b(afterAll)\b
+ignore-words-list = chack
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
new file mode 100644
index 0000000000..daa4072c1a
--- /dev/null
+++ b/.github/workflows/codespell.yml
@@ -0,0 +1,23 @@
+# 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@v3
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2
diff --git a/packages/openneuro-app/src/scripts/dataset/mutations/create-anonymous-reviewer.tsx b/packages/openneuro-app/src/scripts/dataset/mutations/create-anonymous-reviewer.tsx
index af42c71aeb..34ac4f5ab5 100644
--- a/packages/openneuro-app/src/scripts/dataset/mutations/create-anonymous-reviewer.tsx
+++ b/packages/openneuro-app/src/scripts/dataset/mutations/create-anonymous-reviewer.tsx
@@ -30,7 +30,7 @@ export const CreateReviewLink: FC<CreateReviewLinkProps> = ({ datasetId }) => {
       <div className="share-form-controls">
         {error
           ? (
-            "An Error Occured"
+            "An Error Occurred"
           )
           : data
           ? (
diff --git a/services/datalad/datalad_service/common/git.py b/services/datalad/datalad_service/common/git.py
index ea5bbae7e2..49a526a02e 100644
--- a/services/datalad/datalad_service/common/git.py
+++ b/services/datalad/datalad_service/common/git.py
@@ -14,9 +14,9 @@ class OpenNeuroGitError(Exception):
     """OpenNeuro git repo states that should not arise under normal use but may be a valid git operation in other contexts."""
 
 
-def git_show(path, commitish, obj):
+def git_show(path, committish, obj):
     repo = pygit2.Repository(path)
-    commit, _ = repo.resolve_refish(commitish)
+    commit, _ = repo.resolve_refish(committish)
     data_bytes = (commit.tree / obj).read_raw()
     encoding = chardet.detect(data_bytes[0:4096])["encoding"] or 'utf-8'
     return data_bytes.decode(encoding)