Doc fixes

FU/Pg.pm

@@ -61,7 +61,7 @@ FU::Pg is a client module for PostgreSQL with a convenient high-level API and
 support for flexible and complex type conversions. This module interfaces
 directly with C<libpq>.
 
-=head2 Connection setup
+=head1 Connection setup
 
 =over
 
@@ -173,7 +173,7 @@ attempts to use C<$conn> throw an error.
 
 =back
 
-=head2 Querying
+=head1 Querying
 
 =over
 
@@ -420,7 +420,7 @@ Returns the respective configuration parameters.
 
 
 
-=head2 Transactions
+=head1 Transactions
 
 This module provides a convenient and safe API for I<scoped transactions> and
 I<subtransactions>. A new transaction can be started with C<< $conn->txn >>,
@@ -549,7 +549,7 @@ Just don't try to use transaction objects and manual transaction commands at
 the same time, that won't end well.
 
 
-=head2 Formats and Types
+=head1 Formats and Types
 
 The PostgreSQL wire protocol supports sending bind parameters and receiving
 query results in two different formats: text and binary. While the exact wire
@@ -752,7 +752,7 @@ I<TODO:> Methods to convert between the various formats.
 I<TODO:> Methods to query type info.
 
 
-=head2 COPY support
+=head1 COPY support
 
 You can use L<COPY
 statements|https://www.postgresql.org/docs/current/sql-copy.html> for efficient
@@ -816,7 +816,7 @@ silently discarded. An explicit C<close()> is recommended to catch errors.
 =back
 
 
-=head2 Errors
+=head1 Errors
 
 All methods can throw an exception on error. When possible, the error message
 is constructed using L<Carp>'s C<confess()>, including a full stack trace.