fix print formatting of showing definitional ends

Author: shlomi_h

ethically/we/bias.py

@@ -227,8 +227,8 @@ def _identify_direction(self, positive_end, negative_end,
 
         if method == 'single':
             if self._verbose:
-                print('Positive definitional end: ', definitional[0])
-                print('Negative definitional end: ', definitional[0])
+                print('Positive definitional end:', definitional[0])
+                print('Negative definitional end:', definitional[1])
             direction = normalize(normalize(self[definitional[0]])
                                   - normalize(self[definitional[1]]))