diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index a141576d61b..fdad2cfc613 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -3944,9 +3944,9 @@ SCRAM-SHA-256$<iteration count>:&l
The catalog pg_inherits records information about
- table inheritance hierarchies. There is one entry for each direct
- parent-child table relationship in the database. (Indirect inheritance can be determined
- by following chains of entries.)
+ table and index inheritance hierarchies. There is one entry for each direct
+ parent-child table or index relationship in the database. (Indirect
+ inheritance can be determined by following chains of entries.)
@@ -3968,7 +3968,7 @@ SCRAM-SHA-256$<iteration count>:&l
oidpg_class.oid
- The OID of the child table
+ The OID of the child table or index
@@ -3977,7 +3977,7 @@ SCRAM-SHA-256$<iteration count>:&l
oidpg_class.oid
- The OID of the parent table
+ The OID of the parent table or index
@@ -3989,6 +3989,8 @@ SCRAM-SHA-256$<iteration count>:&l
If there is more than one direct parent for a child table (multiple
inheritance), this number tells the order in which the
inherited columns are to be arranged. The count starts at 1.
+ Indexes can not have multiple inheritance, since they can only inherit
+ when using declarative partitioning.