diff --git a/bin/hafas-m b/bin/hafas-m
index de047e1fc241a9bf5807199126b66626d3379fe8..12f8db8c25ae60ecf56ecb24295e668fdd520bd0 100755
--- a/bin/hafas-m
+++ b/bin/hafas-m
@@ -308,7 +308,7 @@ None.
 
 =head1 BUGS AND LIMITATIONS
 
-Unknown.
+The non-default services (anything other than DB) are not well tested.
 
 =head1 AUTHOR
 
diff --git a/lib/Travel/Status/DE/HAFAS.pm b/lib/Travel/Status/DE/HAFAS.pm
index bf69bc586a7e6549bf7c254c6f6f3b6f1706ae57..e1e7910bba9a5b4054e4a1708257a3720fd9f035 100644
--- a/lib/Travel/Status/DE/HAFAS.pm
+++ b/lib/Travel/Status/DE/HAFAS.pm
@@ -559,7 +559,7 @@ None.
 
 =head1 BUGS AND LIMITATIONS
 
-Unknown.
+The non-default services (anything other than DB) are not well tested.
 
 =head1 SEE ALSO