diff --git a/charter.html b/charter.html
index f2d804f..3236324 100644
--- a/charter.html
+++ b/charter.html
@@ -97,10 +97,11 @@ <h2 id=mission>Mission</h2>
 support advertising while acting in the interests of users, in particular
 providing strong privacy assurances.
 
-<p>The group welcomes participation from browser vendors, advertisers,
-publishers, ad buyers, advertising platforms and intermediaries, privacy
-advocates, web application developers, and other interested parties.
-
+<p>The group welcomes participation from browser vendors, OS vendors,
+mobile application vendors, advertisers, publishers, ad buyers, advertising
+platforms and intermediaries, privacy advocates, web application developers,
+and other interested parties.
+  
 
 <h2 id=scope>Scope</h2>