diff --git a/implementations/javascript/package.json b/implementations/javascript/package.json
index 81e1add..0e7f288 100644
--- a/implementations/javascript/package.json
+++ b/implementations/javascript/package.json
@@ -1,7 +1,7 @@
 {
   "name": "preserves",
   "version": "0.0.0",
-  "description": "Data serialization format",
+  "description": "Experimental data serialization format",
   "homepage": "https://gitlab.com/tonyg/preserves",
   "license": "MIT",
   "publishConfig": {