diff --git a/element_event/trial.py b/element_event/trial.py
index 1b535a9..adbb8dc 100644
--- a/element_event/trial.py
+++ b/element_event/trial.py
@@ -96,7 +96,7 @@ class Attribute(dj.Part):
         """Extra Block attributes to fully describe a block
 
         Attributes:
-             Block (foreign key): Block table primary key. 
+             Block (foreign key): Block table primary key.
              attribute_name ( varchar(32) ): Name of block attribute
              attribute_value ( varchar(2000) ): Optional. Block attribute value
              attribute_blob (longblob): Optional. Block attribute numerical numerical data