diff --git a/lib/actions-util.js b/lib/actions-util.js
index 83a78e7cd..4f45467e0 100644
--- a/lib/actions-util.js
+++ b/lib/actions-util.js
@@ -452,7 +452,7 @@ async function getRef() {
     // in actions/checkout@v1 this may not be true as it checks out the repository
     // using GITHUB_REF. There is a subtle race condition where
     // git rev-parse GITHUB_REF != GITHUB_SHA, so we must check
-    // git git-parse GITHUB_REF == git rev-parse HEAD instead.
+    // git rev-parse GITHUB_REF == git rev-parse HEAD instead.
     const hasChangedRef = sha !== head &&
         (await (0, exports.getCommitOid)(checkoutPath, ref.replace(/^refs\/pull\//, "refs/remotes/pull/"))) !== head;
     if (hasChangedRef) {
diff --git a/src/actions-util.ts b/src/actions-util.ts
index 17b521af7..66e4bb669 100644
--- a/src/actions-util.ts
+++ b/src/actions-util.ts
@@ -545,7 +545,7 @@ export async function getRef(): Promise<string> {
   // in actions/checkout@v1 this may not be true as it checks out the repository
   // using GITHUB_REF. There is a subtle race condition where
   // git rev-parse GITHUB_REF != GITHUB_SHA, so we must check
-  // git git-parse GITHUB_REF == git rev-parse HEAD instead.
+  // git rev-parse GITHUB_REF == git rev-parse HEAD instead.
   const hasChangedRef =
     sha !== head &&
     (await getCommitOid(