diff --git a/api/ReadableStreamDefaultReader.json b/api/ReadableStreamDefaultReader.json
index 66c8b7f085f48f..aafc5ba7f38aed 100644
--- a/api/ReadableStreamDefaultReader.json
+++ b/api/ReadableStreamDefaultReader.json
@@ -12,7 +12,7 @@
             "version_added": "52"
           },
           "edge": {
-            "version_added": "≤79"
+            "version_added": "79"
           },
           "firefox": {
             "version_added": "65"
@@ -61,7 +61,7 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": "79"
             },
             "firefox": {
               "version_added": "65"
@@ -110,7 +110,7 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": "79"
             },
             "firefox": {
               "version_added": "65"
@@ -159,7 +159,7 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": "79"
             },
             "firefox": {
               "version_added": "65"
@@ -208,7 +208,7 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": "79"
             },
             "firefox": {
               "version_added": "65"
@@ -257,7 +257,7 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": "79"
             },
             "firefox": {
               "version_added": "65"