Add documentation mention that FSM == Free Space Map, so the config

parameter name makes more sense.

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 3d5c8cf1a84c9126890a8db210f7234690666fdb..b3a068f4411624ee5f1e0dfafde3bf36c84f760f 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -891,7 +891,7 @@ SET ENABLE_SEQSCAN TO OFF;
 
      <para>
       These parameters control the size of the shared <firstterm>free space
-      map</>, which tracks the locations of unused space in the database.
+      map</> (<acronym>FSM</>), which tracks the locations of unused space in the database.
       An undersized free space map can cause the database to consume
       increasing amounts of disk space over time, because free space that
       is not in the map cannot be re-used; instead <productname>PostgreSQL</>