diff --git a/.github/workflows/SpellCheck.yml b/.github/workflows/SpellCheck.yml
new file mode 100644
index 00000000..599253c8
--- /dev/null
+++ b/.github/workflows/SpellCheck.yml
@@ -0,0 +1,13 @@
+name: Spell Check
+
+on: [pull_request]
+
+jobs:
+  typos-check:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions Repository
+        uses: actions/checkout@v3
+      - name: Check spelling
+        uses: crate-ci/typos@v1.16.23 
\ No newline at end of file
diff --git a/.typos.toml b/.typos.toml
new file mode 100644
index 00000000..79b68a4c
--- /dev/null
+++ b/.typos.toml
@@ -0,0 +1 @@
+[default.extend-words]
\ No newline at end of file
diff --git a/src/DataInterpolations.jl b/src/DataInterpolations.jl
index 9aaad786..cbfdc520 100644
--- a/src/DataInterpolations.jl
+++ b/src/DataInterpolations.jl
@@ -111,7 +111,7 @@ struct CurvefitCache{
     u::uType
     t::tType
     m::mType        # model type
-    p0::p0Type      # intial params
+    p0::p0Type      # initial params
     ub::ubType      # upper bound of params
     lb::lbType      # lower bound of params
     alg::algType    # alg to optimize cost function