improve comments

src/compositekey/db/models/fields/wrap.py

@@ -22,7 +22,7 @@ def get_composite_pk(fields, name="pk"):
     cache_name="_composite_%s_cache" % name
     def _get(obj):
         # cache, if change the values you can yet identify thre real record
-        # TODO FRANKI: Si uno de los campos es un foreignkey no podemos hacer la busqueda relacional sobre None, así que try/except
+        # If one of the fields is a foreignkey we cannot make the relational search over None, so try/except
         try:
             if not hasattr(obj, cache_name):
                 setattr(obj, cache_name, assemble_pk(*[f.get_prep_value(getattr(obj, f.name)) for f in fields]))
@@ -49,6 +49,7 @@ def _set(obj, value):
         if len(values) <> len(fields):
             values = [None for _ in fields]
         for field, val in zip(fields, values):
+            # For foreignkeys we have to get the related object
             try:
                 val = field.rel.to(pk=val)
             except AttributeError:

src/compositekey/db/models/sql/column.py

@@ -69,7 +69,7 @@ def make_atom(self, field_sql, extra, params, lookup_type, value_annot, qn, conn
 class MultiColumn(object):
     def __init__(self, fields):
         self.fields = fields
-        # TODO FRANKI: Hemos puesto que si no encuentra "column" asigne "db_column"
+        # Use "db_column" in case "column" is not found
         self.columns = [getattr(f, 'column', f.db_column) for f in fields]
 
     def as_sql(self, qn, connection):