diff --git a/api/Range.json b/api/Range.json
index 040b7e78e1645e..e5d961a04aa73c 100644
--- a/api/Range.json
+++ b/api/Range.json
@@ -1008,10 +1008,10 @@
             "description": "Collapsed ranges",
             "support": {
               "chrome": {
-                "version_added": true
+                "version_added": "1"
               },
               "chrome_android": {
-                "version_added": true
+                "version_added": "18"
               },
               "edge": {
                 "version_added": "12"
@@ -1032,16 +1032,16 @@
                 "version_added": "10.1"
               },
               "safari": {
-                "version_added": true
+                "version_added": "4"
               },
               "safari_ios": {
-                "version_added": true
+                "version_added": "3"
               },
               "samsunginternet_android": {
-                "version_added": true
+                "version_added": "1.0"
               },
               "webview_android": {
-                "version_added": true
+                "version_added": "≤37"
               }
             },
             "status": {