diff --git a/doc/reference/reference_sql/alter_table.spec b/doc/reference/reference_sql/alter_table.spec
index f833f78580..e74e3a3869 100644
--- a/doc/reference/reference_sql/alter_table.spec
+++ b/doc/reference/reference_sql/alter_table.spec
@@ -6,6 +6,9 @@ stack (
     line(
       ' RENAME ', ' TO ', 'new-table-name'
     ),
+    line(
+      ' ADD ', ' COLUMN ', 'column-name', 'column-definition'
+    ),
     line(
       ' ADD ', ' CONSTRAINT ', 'constraint-name', 'constraint-definition'
     ),
diff --git a/doc/reference/reference_sql/alter_table.svg b/doc/reference/reference_sql/alter_table.svg
index 0b8ecf1ac7..804c51ff7f 100644
--- a/doc/reference/reference_sql/alter_table.svg
+++ b/doc/reference/reference_sql/alter_table.svg
@@ -3,17 +3,17 @@
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diff --git a/doc/reference/reference_sql/sql_statements_and_clauses.rst b/doc/reference/reference_sql/sql_statements_and_clauses.rst
index a8b351bc5b..606d562e35 100644
--- a/doc/reference/reference_sql/sql_statements_and_clauses.rst
+++ b/doc/reference/reference_sql/sql_statements_and_clauses.rst
@@ -76,7 +76,7 @@ Syntax:
 
 |br|
 
-ALTER is used to change a table's name or a table's constraints.
+ALTER is used to change a table's name or a table's elements.
 
 **Examples:**
 
@@ -85,6 +85,17 @@ exist. Example: |br|
 ``-- renaming a table:``
 ``ALTER TABLE t1 RENAME TO t2;``
 
+For adding a :ref:`column <sql_column_def>` with ``ADD COLUMN``,
+the table must exist, the table must be empty,
+the column name must be unique within the table.
+Example with a STRING column that must start with X:
+
+..  code-block:: sql
+
+    ALTER TABLE t1 ADD COLUMN s4 STRING CHECK (s4 LIKE 'X%');
+
+``ALTER TABLE ... ADD COLUMN`` support was added in version :doc:`2.7.1 </release/2.7.1>`.
+
 For adding a :ref:`table constraint <sql_table_constraint_def>` with ``ADD CONSTRAINT``,
 the table must exist, the table must be empty,
 the constraint name must be unique within the table.
diff --git a/doc/release/2.7.1.rst b/doc/release/2.7.1.rst
index db12cc1641..4fa42d5d85 100644
--- a/doc/release/2.7.1.rst
+++ b/doc/release/2.7.1.rst
@@ -19,7 +19,7 @@ Notable changes are:
 
 -   LuaJIT memory profiler;
 -   Expression evaluation for ``replication_synchro_quorum``;
--   The ``ALTER TABLE ADD COLUMN`` statement.
+-   The :ref:`ALTER TABLE ADD COLUMN <sql_alter_table>` statement.
 
 Compatibility
 -------------
@@ -74,8 +74,8 @@ Lua
 SQL
 ~~~
 
--   The ``ALTER TABLE ADD COLUMN`` statement is now supported for empty
-    tables (gh-2349, gh-3075).
+-   The :ref:`ALTER TABLE ADD COLUMN <sql_alter_table>` statement is now
+    supported for empty tables (gh-2349, gh-3075).
 
 Replication
 ~~~~~~~~~~~