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-rw-r--r--doc/src/sgml/libpq.sgml2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 5bf59a19855..e76da383714 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -2220,7 +2220,7 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
server does not support the protocol version requested by the client,
the connection is automatically downgraded to a lower minor protocol
version that the server supports. After the connection attempt has
- completed you can use <xref linkend="libpq-PQprotocolVersion"/> to
+ completed you can use <xref linkend="libpq-PQfullProtocolVersion"/> to
find out which exact protocol version was negotiated.
</para>