diff --git a/README.md b/README.md
index 7d06371..549b87e 100644
--- a/README.md
+++ b/README.md
@@ -171,6 +171,8 @@ Notes:
 
 - For JSON, use `jq`.
 
+- For Yaml, use `shyaml`.
+
 - For Excel or CSV files, [csvkit](https://github.com/onyxfish/csvkit) provides `in2csv`, `csvcut`, `csvjoin`, `csvgrep`, etc.
 
 - For Amazon S3, [`s3cmd`](https://github.com/s3tools/s3cmd) is convenient and [`s4cmd`](https://github.com/bloomreach/s4cmd) is faster. Amazon's [`aws`](https://github.com/aws/aws-cli) is essential for other AWS-related tasks.