diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 1502c45e..8c56e448 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -73,3 +73,12 @@ jobs:
 
       - name: cargo test --all-features
         run: cargo test --all-features
+
+  # If this fails, consider changing your text or adding something to .typos.toml
+  typos:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: check typos
+        uses: crate-ci/typos@v1.23.2
diff --git a/.typos.toml b/.typos.toml
new file mode 100644
index 00000000..6cfb60d8
--- /dev/null
+++ b/.typos.toml
@@ -0,0 +1,27 @@
+# See the configuration reference at
+# https://github.com/crate-ci/typos/blob/master/docs/reference.md
+
+# Corrections take the form of a key/value pair. The key is the incorrect word
+# and the value is the correct word. If the key and value are the same, the
+# word is treated as always correct. If the value is an empty string, the word
+# is treated as always incorrect.
+
+# Match Identifier - Case Sensitive
+[default.extend-identifiers]
+otFamilyName = "otFamilyName"
+otMacName = "otMacName"
+otStyleName = "otStyleName"
+wdth = "wdth"
+
+# Match Inside a Word - Case Insensitive
+[default.extend-words]
+
+[files]
+# Include .github, .cargo, etc.
+ignore-hidden = false
+extend-exclude = [
+    "/testdata",
+    # /.git isn't in .gitignore, because git never tracks it.
+    # Typos doesn't know that, though.
+    "/.git",
+]