diff --git a/doc/src/sgml/ref/alter_large_object.sgml b/doc/src/sgml/ref/alter_large_object.sgml
index a0ed6c22f3449d8f72bf28606e2e320877640a2d..5748d52db115bed6f43ba3f746d50ac2f214f796 100644
--- a/doc/src/sgml/ref/alter_large_object.sgml
+++ b/doc/src/sgml/ref/alter_large_object.sgml
@@ -21,7 +21,7 @@ PostgreSQL documentation
 
  <refsynopsisdiv>
 <synopsis>
-ALTER LARGE OBJECT <replaceable class="PARAMETER">large_object_oid</replaceable> { OWNER TO <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
+ALTER LARGE OBJECT <replaceable class="PARAMETER">large_object_oid</replaceable> OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
 </synopsis>
  </refsynopsisdiv>
 
diff --git a/doc/src/sgml/ref/alter_opclass.sgml b/doc/src/sgml/ref/alter_opclass.sgml
index 2e561be8d78f4f25ef8c7925e06882f1a060594b..58de603aa4683319484d3232f60f499fcbe87511 100644
--- a/doc/src/sgml/ref/alter_opclass.sgml
+++ b/doc/src/sgml/ref/alter_opclass.sgml
@@ -22,13 +22,13 @@ PostgreSQL documentation
  <refsynopsisdiv>
 <synopsis>
 ALTER OPERATOR CLASS <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
-           RENAME TO <replaceable>new_name</replaceable>
+    RENAME TO <replaceable>new_name</replaceable>
 
 ALTER OPERATOR CLASS <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
-          { OWNER TO <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
+    OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
 
 ALTER OPERATOR CLASS <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
-          SET SCHEMA <replaceable>new_schema</replaceable>
+    SET SCHEMA <replaceable>new_schema</replaceable>
 </synopsis>
  </refsynopsisdiv>
 
diff --git a/doc/src/sgml/ref/alter_operator.sgml b/doc/src/sgml/ref/alter_operator.sgml
index bdb2d029b171a297307b1c52a2fcbbc5cd2ffa92..8a7af50d6049c479662530b48b02d565dbdf62fc 100644
--- a/doc/src/sgml/ref/alter_operator.sgml
+++ b/doc/src/sgml/ref/alter_operator.sgml
@@ -22,10 +22,10 @@ PostgreSQL documentation
  <refsynopsisdiv>
 <synopsis>
 ALTER OPERATOR <replaceable>name</replaceable> ( { <replaceable>left_type</replaceable> | NONE } , { <replaceable>right_type</replaceable> | NONE } )
-             { OWNER TO <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
+    OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
 
 ALTER OPERATOR <replaceable>name</replaceable> ( { <replaceable>left_type</replaceable> | NONE } , { <replaceable>right_type</replaceable> | NONE } )
-               SET SCHEMA <replaceable>new_schema</replaceable>
+    SET SCHEMA <replaceable>new_schema</replaceable>
 </synopsis>
  </refsynopsisdiv>
 
diff --git a/doc/src/sgml/ref/alter_opfamily.sgml b/doc/src/sgml/ref/alter_opfamily.sgml
index b0942b6ea7de2c71053357cca076fdf168507ccf..4511c7f7b24c9cc5865150dceca28dda648259c0 100644
--- a/doc/src/sgml/ref/alter_opfamily.sgml
+++ b/doc/src/sgml/ref/alter_opfamily.sgml
@@ -34,13 +34,13 @@ ALTER OPERATOR FAMILY <replaceable>name</replaceable> USING <replaceable class="
   } [, ... ]
 
 ALTER OPERATOR FAMILY <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
-            RENAME TO <replaceable>new_name</replaceable>
+    RENAME TO <replaceable>new_name</replaceable>
 
 ALTER OPERATOR FAMILY <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
-             OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
+    OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_USER | SESSION_USER }
 
 ALTER OPERATOR FAMILY <replaceable>name</replaceable> USING <replaceable class="parameter">index_method</replaceable>
-           SET SCHEMA <replaceable>new_schema</replaceable>
+    SET SCHEMA <replaceable>new_schema</replaceable>
 </synopsis>
  </refsynopsisdiv>