diff --git a/docs/metadata.md b/docs/metadata.md
index 74cd36b..97fc26b 100644
--- a/docs/metadata.md
+++ b/docs/metadata.md
@@ -55,6 +55,8 @@ See section 10 of the Guide for details on transferring metadata to the HIVE.
   - [Specification](https://hubmapconsortium.github.io/ingest-validation-tools/dbit-seq/current/)
 - DESI
   - [Specification](https://hubmapconsortium.github.io/ingest-validation-tools/desi/current/)
+- DNA Methylation
+  - [Specification](https://hubmapconsortium.github.io/ingest-validation-tools/dna-methylation/current/)
 - Enhanced SRS
   - [Specification](https://hubmapconsortium.github.io/ingest-validation-tools/enhanced-srs/current/)
 - FACS