diff --git a/changelogs/room_versions/newsfragments/2220.clarification b/changelogs/room_versions/newsfragments/2220.clarification
new file mode 100644
index 00000000..4141e31a
--- /dev/null
+++ b/changelogs/room_versions/newsfragments/2220.clarification
@@ -0,0 +1 @@
+In room versions 8 through 12, clarify that "sufficient permission to invite users" on restricted joins also includes being a joined member of the room.
\ No newline at end of file
diff --git a/content/rooms/fragments/v8-auth-rules.md b/content/rooms/fragments/v8-auth-rules.md
index 9e267e53..5def04a6 100644
--- a/content/rooms/fragments/v8-auth-rules.md
+++ b/content/rooms/fragments/v8-auth-rules.md
@@ -74,7 +74,7 @@ The rules are as follows:
             1.  If membership state is `join` or `invite`, allow.
             2.  If the `join_authorised_via_users_server` key in `content`
                 is not a user with sufficient permission to invite other
-                users, reject.
+                users or is not a joined member of the room, reject.
             3.  Otherwise, allow.
         6.  If the `join_rule` is `public`, allow.
         7.  Otherwise, reject.
diff --git a/content/rooms/v10.md b/content/rooms/v10.md
index 3cfe1998..7af19873 100644
--- a/content/rooms/v10.md
+++ b/content/rooms/v10.md
@@ -150,7 +150,7 @@ The rules are as follows:
             1.  If membership state is `join` or `invite`, allow.
             2.  If the `join_authorised_via_users_server` key in `content`
                 is not a user with sufficient permission to invite other
-                users, reject.
+                users or is not a joined member of the room, reject.
             3.  Otherwise, allow.
         6.  If the `join_rule` is `public`, allow.
         7.  Otherwise, reject.
diff --git a/content/rooms/v11.md b/content/rooms/v11.md
index db1b1928..e994a347 100644
--- a/content/rooms/v11.md
+++ b/content/rooms/v11.md
@@ -157,7 +157,7 @@ The rules are as follows:
             1.  If membership state is `join` or `invite`, allow.
             2.  If the `join_authorised_via_users_server` key in `content`
                 is not a user with sufficient permission to invite other
-                users, reject.
+                users or is not a joined member of the room, reject.
             3.  Otherwise, allow.
         6.  If the `join_rule` is `public`, allow.
         7.  Otherwise, reject.
diff --git a/content/rooms/v12.md b/content/rooms/v12.md
index 42f3e122..94f2ca03 100644
--- a/content/rooms/v12.md
+++ b/content/rooms/v12.md
@@ -141,7 +141,7 @@ The rules are as follows:
             1.  If membership state is `join` or `invite`, allow.
             2.  If the `join_authorised_via_users_server` key in `content`
                 is not a user with sufficient permission to invite other
-                users, reject.
+                users or is not a joined member of the room, reject.
             3.  Otherwise, allow.
         6.  If the `join_rule` is `public`, allow.
         7.  Otherwise, reject.