diff --git a/doc/unordered/unordered_flat_map.adoc b/doc/unordered/unordered_flat_map.adoc
index cda66533..ba95eb73 100644
--- a/doc/unordered/unordered_flat_map.adoc
+++ b/doc/unordered/unordered_flat_map.adoc
@@ -280,6 +280,7 @@ namespace boost {
               unordered_flat_map<Key, T, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class T, class H, class P, class A, class Predicate>
     typename unordered_flat_map<K, T, H, P, A>::size_type
        xref:#unordered_flat_map_erase_if[erase_if](unordered_flat_map<K, T, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_flat_set.adoc b/doc/unordered/unordered_flat_set.adoc
index c560873a..770ce797 100644
--- a/doc/unordered/unordered_flat_set.adoc
+++ b/doc/unordered/unordered_flat_set.adoc
@@ -234,6 +234,7 @@ namespace boost {
               unordered_flat_set<Key, T, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class T, class H, class P, class A, class Predicate>
     typename unordered_flat_set<K, T, H, P, A>::size_type
        xref:#unordered_flat_set_erase_if[erase_if](unordered_flat_set<K, T, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_map.adoc b/doc/unordered/unordered_map.adoc
index fdba467c..02d95ac2 100644
--- a/doc/unordered/unordered_map.adoc
+++ b/doc/unordered/unordered_map.adoc
@@ -286,6 +286,7 @@ namespace boost {
               unordered_map<Key, T, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class T, class H, class P, class A, class Predicate>
     typename unordered_map<K, T, H, P, A>::size_type
        xref:#unordered_map_erase_if[erase_if](unordered_map<K, T, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_multimap.adoc b/doc/unordered/unordered_multimap.adoc
index 980a8dc8..7a6a09d7 100644
--- a/doc/unordered/unordered_multimap.adoc
+++ b/doc/unordered/unordered_multimap.adoc
@@ -253,6 +253,7 @@ namespace boost {
               unordered_multimap<Key, T, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class T, class H, class P, class A, class Predicate>
     typename unordered_multimap<K, T, H, P, A>::size_type
       xref:#unordered_multimap_erase_if[erase_if](unordered_multimap<K, T, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_multiset.adoc b/doc/unordered/unordered_multiset.adoc
index 87aac43e..017ef5c2 100644
--- a/doc/unordered/unordered_multiset.adoc
+++ b/doc/unordered/unordered_multiset.adoc
@@ -244,6 +244,7 @@ namespace boost {
               unordered_multiset<Key, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class H, class P, class A, class Predicate>
     typename unordered_multiset<K, H, P, A>::size_type
       xref:#unordered_multiset_erase_if[erase_if](unordered_multiset<K, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_node_map.adoc b/doc/unordered/unordered_node_map.adoc
index 257e5efa..4821414a 100644
--- a/doc/unordered/unordered_node_map.adoc
+++ b/doc/unordered/unordered_node_map.adoc
@@ -284,6 +284,7 @@ namespace boost {
               unordered_node_map<Key, T, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class T, class H, class P, class A, class Predicate>
     typename unordered_node_map<K, T, H, P, A>::size_type
        xref:#unordered_node_map_erase_if[erase_if](unordered_node_map<K, T, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_node_set.adoc b/doc/unordered/unordered_node_set.adoc
index 5ac22398..b5a5ff97 100644
--- a/doc/unordered/unordered_node_set.adoc
+++ b/doc/unordered/unordered_node_set.adoc
@@ -238,6 +238,7 @@ namespace boost {
               unordered_node_set<Key, T, Hash, Pred, Alloc>& y)
       noexcept(noexcept(x.swap(y)));
 
+  // Erasure
   template<class K, class T, class H, class P, class A, class Predicate>
     typename unordered_node_set<K, T, H, P, A>::size_type
        xref:#unordered_node_set_erase_if[erase_if](unordered_node_set<K, T, H, P, A>& c, Predicate pred);
diff --git a/doc/unordered/unordered_set.adoc b/doc/unordered/unordered_set.adoc
index e6c2c67c..57b6e6f4 100644
--- a/doc/unordered/unordered_set.adoc
+++ b/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);