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-rw-r--r--lib/Travel/Status/DE/HAFAS/Product.pm7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Travel/Status/DE/HAFAS/Product.pm b/lib/Travel/Status/DE/HAFAS/Product.pm
index 42b264b..4602bcc 100644
--- a/lib/Travel/Status/DE/HAFAS/Product.pm
+++ b/lib/Travel/Status/DE/HAFAS/Product.pm
@@ -137,9 +137,10 @@ Long type of this journey, e.g. "S-Bahn" or "Regional-Express".
=item $product->class
-An integer identifying the the mode of transport class.
-Semantics depend on backend, e.g. "1" and "2" for long-distance trains and
-"4" and "8" for regional trains.
+An integer identifying the the mode of transport class. Semantics depend on
+backend, e.g. "1" and "2" for long-distance trains and "4" and "8" for regional
+trains. See Travel::Status::DE::HAFAS(3pm)'s C<< $hafas->get_active_service >>
+method.
=item $product->line