drugs.md

@@ -31,7 +31,7 @@ BDPM data, RxNorm and RxNorm extension were downloaded on the Athena website. Th
 French marketed products are mapped to RxNorm extension or RxNorm concepts when possible. The concept_code corresponds to the CIP code in the BDPM. 
 
 ## Mappings UCD codes to standard terminologies
-French agency ATIH provides to hospital UCD codes: https://www.atih.sante.fr/enquete-achat-et-consommation-medicaments-l-hopital-2019
+French agency ATIH provides to hospital UCD codes: https://www.atih.sante.fr/enquete-achat-et-consommation-medicaments-l-hopital-2019  
 An Excel file containing the list of UCD codes be found here: http://www.atih.sante.fr/sites/default/files/public/content/3538/ucd_2019.xlsx
 
 To sum-up we have: