diff --git a/arches/app/datatypes/base.py b/arches/app/datatypes/base.py
index cd14b3ade77..b8210846e1b 100644
--- a/arches/app/datatypes/base.py
+++ b/arches/app/datatypes/base.py
@@ -14,7 +14,7 @@ def validate(self, value, row_number=None, source=None):
     def append_to_document(self, document, nodevalue, nodeid, tile, provisional=False):
         """
         Assigns a given node value to the corresponding key in a document in
-        in preparation to index the document
+        in preparation to index the document.
         """
         pass
 
@@ -306,4 +306,4 @@ def from_rdf(self, json_ld_node):
         print json_ld_node
         # expects a node taken from an expanded json-ld graph
         # returns the value, or None if no "@value" key is found
-        raise NotImplementedError
\ No newline at end of file
+        raise NotImplementedError