fix(docs): reword what a table-like composite type is #769 (#292)

Co-authored-by: Thibaut MADELAINE <[email protected]>

Author: madtibo

src/pages/postgraphile/smart-tags.md

@@ -329,8 +329,9 @@ Since version
 Applies to:
 
 - Functions returning `SETOF` a table-like composite type (e.g. a table type,
-  view, materialized view, etc): adds the `orderBy` argument to this connection,
-  allowing to _sort_ the set by its columns/attributes.
+  view, materialized view, etc, but _not_ a custom type): adds the `orderBy`
+  argument to this connection, allowing to _sort_ the set by its
+  columns/attributes.
 - Computed column functions with no required parameters and returning a scalar
   or array: allows this function to be used as an order in the `orderBy`
   argument for the parent table, allowing to _sort_ the parent table _by_ this
@@ -366,8 +367,9 @@ Since version
 Applies to:
 
 - Functions returning `SETOF` a table-like composite type (e.g. a table type,
-  view, materialized view, etc): adds the `condition` argument to this
-  connection, allowing to _filter_ the set by any of its scalar fields.
+  view, materialized view, etc, but _not_ a custom type): adds the `condition`
+  argument to this connection, allowing to _filter_ the set by any of its
+  scalar fields.
 - Computed column functions with no required parameters and returning a scalar
   or array: allows this function to be used as field in the `condition` argument
   for the parent table, allowing to _filter by_ this function's value the parent