Korrigiert 'Null' zu 'NULL' in GetBirthdate.R

r/GetBirthdate.R

@@ -27,7 +27,7 @@ getBirthdate <- function(article) {
       birthdate <- substring(birthdate, 2, nchar(birthdate)-1)
     } else {
       # Return Null if there is no birthdate
-      return(Null)
+      return(NULL)
     }
   }