fix: typo

Author: ivyleavedtoadflax

deep_reference_parser/configs/2020.3.19_multitask.ini

@@ -14,7 +14,7 @@ respect_doc_endings = 1
 line_limit = 150
 policy_train = data/multitask/2020.3.19_multitask_train.tsv
 policy_test = data/multitask/2020.3.19_multitask_test.tsv
-policy_valid = datamultitask/2020.3.19_multitask_valid.tsv
+policy_valid = data/multitask/2020.3.19_multitask_valid.tsv
 s3_slug = https://datalabs-public.s3.eu-west-2.amazonaws.com/deep_reference_parser/
 
 [build]