diff --git a/README.md b/README.md
index 20bf514..0cb1614 100644
--- a/README.md
+++ b/README.md
@@ -168,7 +168,7 @@ The above will create a `chromium.zip` file, which can be uploaded to your Layer
 bucketName="chromiumUploadBucket" && \
 versionNumber="107" && \
 aws s3 cp chromium.zip "s3://${bucketName}/chromiumLayers/chromium${versionNumber}.zip" && \
-aws lambda publish-layer-version --layer-name chromium --description "Chromium v${versionNumber}" --content "S3Bucket=${bucketName},S3Key=chromiumLayers/chromium${versionNumber.zip}" --compatible-runtimes nodejs --compatible-architectures x86_64
+aws lambda publish-layer-version --layer-name chromium --description "Chromium v${versionNumber}" --content "S3Bucket=${bucketName},S3Key=chromiumLayers/chromium${versionNumber}.zip" --compatible-runtimes nodejs --compatible-architectures x86_64
 ```
 
 Alternatively, you can also download the layer artifact from one of our [CI workflow runs](https://github.com/Sparticuz/chromium/actions/workflows/aws.yml?query=is%3Asuccess+branch%3Amaster), however, they expire from Github after a certain time period.