Edits.

Author: WaVEV

django_mongodb/compiler.py

@@ -34,7 +34,7 @@ def __init__(self, *args, **kwargs):
 
     def _unfold_column(self, col):
         """
-        Flattens a field by returning its target or by replacing dots with GROUP_SEPARATOR
+        Flatten a field by returning its target or by replacing dots with GROUP_SEPARATOR
         for foreign fields.
         """
         if self.collection_name == col.alias:
@@ -45,7 +45,7 @@ def _unfold_column(self, col):
 
     def _fold_columns(self, unfold_columns):
         """
-        Converts flat columns into a nested dictionary, grouping fields by table names.
+        Convert flat columns into a nested dictionary, grouping fields by table names.
         """
         result = defaultdict(dict)
         for key in unfold_columns: