DOC: Update variable_name description

src/caoscrawler/cfood-schema.yml

@@ -91,7 +91,11 @@ cfood:
             - variable_name
           properties:
             variable_name:
-              description: Name of the record by which it can be accessed in the cfood definiton. Can also be the name of an existing record in which case that record will be treated by the PropertiesFromDictConverter.
+              description: |
+                Name of the record by which it can be accessed in the
+                cfood definiton. Can also be the name of an existing
+                record in which case that record will be updated by
+                the PropertiesFromDictConverter.
               type: string
             properties_blacklist:
               description: List of keys to be ignored in the automatic treatment.  They will be ignored on all levels of the dictionary.