diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index acdd7f684bf..caf9c071142 100644
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -154,7 +154,7 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
 
   <variablelist>
    <varlistentry>
-    <term><literal>ADD COLUMN [ IF NOT EXISTS ]</literal></term>
+    <term><literal>ADD [ COLUMN ] [ IF NOT EXISTS ]</literal></term>
     <listitem>
      <para>
       This form adds a new column to the table, using the same syntax as
@@ -166,7 +166,7 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
    </varlistentry>
 
    <varlistentry>
-    <term><literal>DROP COLUMN [ IF EXISTS ]</literal></term>
+    <term><literal>DROP [ COLUMN ] [ IF EXISTS ]</literal></term>
     <listitem>
      <para>
       This form drops a column from a table.  Indexes and
diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index 361619b015e..11b394c6d71 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -3735,6 +3735,16 @@ Referenced by:
 ALTER TABLE test_add_column
 	ADD COLUMN IF NOT EXISTS c5 SERIAL CHECK (c5 > 10);
 NOTICE:  column "c5" of relation "test_add_column" already exists, skipping
+ALTER TABLE test_add_column
+	ADD c6 integer; -- omit COLUMN
+ALTER TABLE test_add_column
+	ADD IF NOT EXISTS c6 integer;
+NOTICE:  column "c6" of relation "test_add_column" already exists, skipping
+ALTER TABLE test_add_column
+	DROP c6; -- omit COLUMN
+ALTER TABLE test_add_column
+	DROP IF EXISTS c6;
+NOTICE:  column "c6" of relation "test_add_column" does not exist, skipping
 \d test_add_column*
                             Table "public.test_add_column"
  Column |  Type   | Collation | Nullable |                   Default                   
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index a5ad6bc0bbe..9894b159a1a 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -2305,6 +2305,14 @@ ALTER TABLE test_add_column
 \d test_add_column
 ALTER TABLE test_add_column
 	ADD COLUMN IF NOT EXISTS c5 SERIAL CHECK (c5 > 10);
+ALTER TABLE test_add_column
+	ADD c6 integer; -- omit COLUMN
+ALTER TABLE test_add_column
+	ADD IF NOT EXISTS c6 integer;
+ALTER TABLE test_add_column
+	DROP c6; -- omit COLUMN
+ALTER TABLE test_add_column
+	DROP IF EXISTS c6;
 \d test_add_column*
 DROP TABLE test_add_column;
 \d test_add_column*