diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 7aac6f6829ee039183ab53b82b0e3221e8679933..7e86859e25260ec4968adf2720971ab0b7699932 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -691,7 +691,9 @@ PGconn *PQsetdb(char *pghost,
        Make a connection to the database server in a nonblocking manner.
 
 <synopsis>
-PGconn *PQconnectStartParams(const char **keywords, const char **values, int expand_dbname);
+PGconn *PQconnectStartParams(const char **keywords,
+                             const char **values,
+                             int expand_dbname);
 
 PGconn *PQconnectStart(const char *conninfo);