Two small docstring improvements.

etiquette/objects.py

@@ -440,6 +440,13 @@ class Album(ObjectBase, GroupableMixin):
         return photos
 
     def has_any_photo(self, recurse=False):
+        '''
+        Return True if this album contains at least 1 photo.
+
+        recurse:
+            If True, photos in child albums satisfy.
+            If False, only consider this album.
+        '''
         row = self.photodb.sql_select_one(
             'SELECT 1 FROM album_photo_rel WHERE albumid == ? LIMIT 1',
             [self.id]

etiquette/photodb.py

@@ -281,10 +281,11 @@ class PDBPhotoMixin:
     @decorators.transaction
     def purge_deleted_files(self, photos=None, *, commit=True):
         '''
-        Remove Photo entries if their corresponding file is no longer found.
+        Delete Photos whose corresponding file on disk is missing.
 
-        photos: An iterable of Photo objects to check.
-        If not provided, everything is checked.
+        photos:
+            An iterable of Photo objects to check.
+            If not provided, all photos are checked.
         '''
         if photos is None:
             photos = self.get_photos_by_recent()