diff --git a/ap-maintenance-wg-charter.html b/ap-maintenance-wg-charter.html
index d8c04c1..367a3ea 100644
--- a/ap-maintenance-wg-charter.html
+++ b/ap-maintenance-wg-charter.html
@@ -173,10 +173,16 @@ <h2>Motivation and Background</h2>
         <h2>Scope</h2>
 
         <p>
-          The Working Group will maintain the <a href="https://www.w3.org/TR/activitypub/">ActivityPub</a> protocol,
-          as well as the <a href="https://www.w3.org/TR/activitystreams-core/">Activity Streams</a> and
-          <a href="https://www.w3.org/TR/activitystreams-vocabulary/">Activity Vocabulary</a> data models on
-          which it depends, as well as related Notes.
+          Where an active Editor (who is not concurrently a Chair) and at least
+          one non-Chair member unaffiliated with that Editor have volunteered to
+          lead significant maintenance on a existing deliverable from the list
+          below, and been approved by the Chairs, the Working Group can
+          undertake active maintenance on any of the ActivityPub-realted 
+          deliverables of the previous Social Web Working Group:
+          <a href="https://www.w3.org/TR/activitypub/">ActivityPub</a>,
+          <a href="https://www.w3.org/TR/activitystreams-core/">Activity Streams</a>,
+          <a href="https://www.w3.org/TR/activitystreams-vocabulary/">Activity Vocabulary</a>, data models on which it depends,
+          as well as related Notes.          
         <!-- If incubation, the scope will need to be expanded -->
 
         <section id="section-out-of-scope">
diff --git a/indieweb-maintenance-wg-charter.html b/indieweb-maintenance-wg-charter.html
index 1d3ecdd..7a5e453 100644
--- a/indieweb-maintenance-wg-charter.html
+++ b/indieweb-maintenance-wg-charter.html
@@ -174,7 +174,12 @@ <h2>Motivation and Background</h2>
       <h2>Scope</h2>
 
       <p>
-        The Working Group will maintain the
+        Where an active Editor (who is not concurrently a Chair) and at least
+        one non-Chair member unaffiliated with that Editor have volunteered to
+        lead significant maintenance on a existing deliverable from the list
+        below, and been approved by the Chairs, the Working Group can
+        undertake active maintenance on any of the IndieWeb deliverables of the
+        previous Social Web Working Group:
         <a href="https://www.w3.org/TR/websub/">WebSub</a>,
         <a href="https://www.w3.org/TR/micropub/">MicroPub</a>, and
         <a href="https://www.w3.org/TR/webmention/">Webmention</a>
diff --git a/social-web-maintenance-wg-charter.html b/social-web-maintenance-wg-charter.html
index 50d0043..51b7613 100644
--- a/social-web-maintenance-wg-charter.html
+++ b/social-web-maintenance-wg-charter.html
@@ -170,7 +170,12 @@ <h2>Motivation and Background</h2>
         <h2>Scope</h2>
 
         <p>
-          The Working Group will maintain the
+          Where an active Editor (who is not concurrently a Chair) and at least
+          one non-Chair member unaffiliated with that Editor have volunteered to
+          lead significant maintenance on a existing deliverable from the list
+          below, and been approved by the Chairs, the Working Group can
+          undertake active maintenance on any of the deliverables of the
+          previous Social Web Working Group:
           <a href="https://www.w3.org/TR/activitypub/">ActivityPub</a>,
           <a href="https://www.w3.org/TR/websub/">WebSub</a>,
           <a href="https://www.w3.org/TR/activitystreams-core/">Activity Streams</a>,