doc: clarify how to find pg_type_d.h in the install tree

Followup to patch 152ed04799.

Reported-by: Alvaro Herrera
Discussion: https://postgr.es/m/20201112202900[email protected]

Backpatch-through: 9.5

diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 6567347accf76201a76df2460182cf8c125c30a7..c43cd9e4a7977db49e5053f60952b41c9623ef4a 100644 (file)
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -3661,8 +3661,8 @@ Oid PQftype(const PGresult *res,
        You can query the system table pg_type to
        obtain the names and properties of the various data types. The
        OIDs of the built-in data types are defined
-       in the file include/catalog/pg_type_d.h
-       in the compiled source directory and install directory.
+       in the file include/server/catalog/pg_type_d.h
+       in the install directory.