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-rw-r--r--doc/src/sgml/pgfreespacemap.sgml3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/src/sgml/pgfreespacemap.sgml b/doc/src/sgml/pgfreespacemap.sgml
index 4519a66a8d2..7e070f15002 100644
--- a/doc/src/sgml/pgfreespacemap.sgml
+++ b/doc/src/sgml/pgfreespacemap.sgml
@@ -25,6 +25,9 @@
<variablelist>
<varlistentry>
+ <indexterm>
+ <primary>pg_freespace</primary>
+ </indexterm>
<term>
<function>pg_freespace(rel regclass IN, blkno bigint IN) returns int2</function>
</term>