diff --git a/css/properties/text-wrap-style.json b/css/properties/text-wrap-style.json
index d63c933aec997b..14e810105c43bc 100644
--- a/css/properties/text-wrap-style.json
+++ b/css/properties/text-wrap-style.json
@@ -35,6 +35,7 @@
         },
         "auto": {
           "__compat": {
+            "spec_url": "https://drafts.csswg.org/css-text-4/#valdef-text-wrap-style-auto",
             "support": {
               "chrome": {
                 "version_added": false
@@ -67,6 +68,7 @@
         },
         "balance": {
           "__compat": {
+            "spec_url": "https://drafts.csswg.org/css-text-4/#valdef-text-wrap-style-balance",
             "support": {
               "chrome": {
                 "version_added": false
@@ -99,6 +101,7 @@
         },
         "stable": {
           "__compat": {
+            "spec_url": "https://drafts.csswg.org/css-text-4/#valdef-text-wrap-style-stable",
             "support": {
               "chrome": {
                 "version_added": false