diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index d829a4b..de272c5 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -6952,7 +6952,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
at ~/.pg_service.conf or the location
specified by the environment variable PGSERVICEFILE,
or it can be a system-wide file
- at etc/pg_service.conf or in the directory
+ at /etc/pg_service.conf or in the directory
specified by the environment variable
PGSYSCONFDIR. If service definitions with the same
name exist in the user and the system file, the user file takes