@@ -2159,16 +2159,16 @@ Result class, default to L<DBIx::Custom::Result>.

 =head2 C<safety_character>

-    my $safety_character = $self->safety_character;

-    $dbi = $self->safety_character($character);

+    my $safety_character = $dbi->safety_character;

+    $dbi = $dbi->safety_character($character);

 Regex of safety character for table and column name, default to '\w'.

 Note that you don't have to specify like '[\w]'.

 =head2 C<separator>

-    my $separator = $self->separator;

-    $dbi = $self->separator('-');

+    my $separator = $dbi->separator;

+    $dbi = $dbi->separator('-');

 Separator which join table name and column name.

 This have effect to C<column> and C<mycolumn> method,

@@ -2178,8 +2178,8 @@ Default to C<.>.

 =head2 C<exclude_table>

-    my $exclude_table = $self->exclude_table;

-    $dbi = $self->exclude_table(qr/pg_/);

+    my $exclude_table = $dbi->exclude_table;

+    $dbi = $dbi->exclude_table(qr/pg_/);

 Excluded table regex.

 C<each_column>, C<each_table>, C<type_rule>,

@@ -2676,7 +2676,7 @@ Turn C<into2> type rule off.

 =head2 C<get_column_info>

-    my $tables = $self->get_column_info(exclude_table => qr/^system_/);

+    my $tables = $dbi->get_column_info(exclude_table => qr/^system_/);

 get column infomation except for one which match C<exclude_table> pattern.

@@ -2687,7 +2687,7 @@ get column infomation except for one which match C<exclude_table> pattern.

 =head2 C<get_table_info>

-    my $tables = $self->get_table_info(exclude => qr/^system_/);

+    my $tables = $dbi->get_table_info(exclude => qr/^system_/);

 get table infomation except for one which match C<exclude> pattern.

@@ -2933,7 +2933,7 @@ Get a L<DBIx::Custom::Model> object,

 =head2 C<mycolumn>

-    my $column = $self->mycolumn(book => ['author', 'title']);

+    my $column = $dbi->mycolumn(book => ['author', 'title']);

 Create column clause for myself. The follwoing column clause is created.