diff --git a/.codespellignore b/.codespellignore
new file mode 100644
index 0000000..e69de29
diff --git a/.github/workflows/codespell.yaml b/.github/workflows/codespell.yaml
new file mode 100644
index 0000000..fae65a6
--- /dev/null
+++ b/.github/workflows/codespell.yaml
@@ -0,0 +1,15 @@
+name: CodeSpell
+on:
+  - pull_request
+jobs:
+  codespell:
+    name: CodeSpell
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: CodeSpell
+        uses: codespell-project/actions-codespell@master
+        with:
+          check_filenames: true
+          check_hidden: true
+          ignore_words_file: .codespellignore
diff --git a/lib/rspec/sidekiq/batch.rb b/lib/rspec/sidekiq/batch.rb
index 0052639..00d69a6 100644
--- a/lib/rspec/sidekiq/batch.rb
+++ b/lib/rspec/sidekiq/batch.rb
@@ -14,7 +14,7 @@ def method_missing(*args, &block)
 
       ##
       # Sidekiq::Batch is a Sidekiq::Pro feature. However the general consensus is
-      # that, by defeault, you can't test without redis. RSpec::Sidekiq includes
+      # that, by default, you can't test without redis. RSpec::Sidekiq includes
       # a "null object" pattern implementation to mock Batches. This will mock
       # Sidekiq::Batch and prevent it from using Redis.
       #
diff --git a/spec/rspec/sidekiq/matchers/be_delayed_spec.rb b/spec/rspec/sidekiq/matchers/be_delayed_spec.rb
index 2111159..8662236 100644
--- a/spec/rspec/sidekiq/matchers/be_delayed_spec.rb
+++ b/spec/rspec/sidekiq/matchers/be_delayed_spec.rb
@@ -133,10 +133,10 @@
 
           context "and actual contains arguments" do
             it "returns true" do
-              # Acutal has arugment
+              # Actual has argument
               Object.delay.is_a? Object
 
-              # Expected didn't specify any arguemtns to match
+              # Expected didn't specify any arguments to match
               expect(delay_subject.matches? Object.method :is_a?).to be true
             end
           end