diff --git a/openquake/hazardlib/tests/gsim/abrahamson_2018_test.py b/openquake/hazardlib/tests/gsim/abrahamson_2018_test.py
index <HASH>..<HASH> 100644
--- a/openquake/hazardlib/tests/gsim/abrahamson_2018_test.py
+++ b/openquake/hazardlib/tests/gsim/abrahamson_2018_test.py
@@ -15,7 +15,11 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with OpenQuake. If not, see <http://www.gnu.org/licenses/>.
-
+"""
+Test case for the Abrahamson et al. (2018) "BC Hydro Update". Test tables
+generated by hand using the Excel implementation provided as a supplement
+to PEER Report 2018/02
+"""
 from openquake.hazardlib.gsim.abrahamson_2018 import (
     AbrahamsonEtAl2018SInter,
     AbrahamsonEtAl2018SInterHigh,
Adds indication of source of test tables


Former-commit-id: e<I>e<I>fc<I>ada<I>e8c4