diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index 25ee5be5b1b..0af7c816852 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -1317,10 +1317,10 @@ default:\
The default virtual memory behavior on Linux is not
optimal for PostgreSQL. Because of the
way that the kernel implements memory overcommit, the kernel might
- terminate the PostgreSQL postmaster (the
- supervisor server process) if the memory demands of either
- PostgreSQL or another process cause the
- system to run out of virtual memory.
+ terminate a PostgreSQL server process,
+ including the postmaster (the supervisor server process), if the memory
+ demands of either PostgreSQL or another process
+ cause the system to run out of virtual memory.
@@ -1332,9 +1332,15 @@ Out of Memory: Killed process 12345 (postgres).
This indicates that the postgres process
has been terminated due to memory pressure.
- Although existing database connections will continue to function
- normally, no new connections will be accepted. To recover,
- PostgreSQL will need to be restarted.
+ If the postmaster is terminated, all connections will eventually be
+ terminated. To recover, PostgreSQL will
+ need to be restarted.
+ If a child process is terminated, PostgreSQL will
+ typically terminate all remaining connections and either recover
+ automatically, if
+ restart_after_crash
+ is enabled, or shut down. If PostgreSQL shuts
+ down, it will need to be restarted to recover.