editorial

doc/unordered/unordered_set.adoc

@@ -245,6 +245,7 @@ namespace boost {
               unordered_set<Key, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class H, class P, class A, class Predicate>
     typename unordered_set<K, H, P, A>::size_type
       xref:#unordered_set_erase_if[erase_if](unordered_set<K, H, P, A>& c, Predicate pred);