Fix a grammar mistake in a comment.
diff --git a/Doc/includes/dbpickle.py b/Doc/includes/dbpickle.py
index 1158744..c021eac 100644
--- a/Doc/includes/dbpickle.py
+++ b/Doc/includes/dbpickle.py
@@ -12,10 +12,10 @@
def persistent_id(self, obj):
# Instead of pickling MemoRecord as a regular class instance, we emit a
- # persistent ID instead.
+ # persistent ID.
if isinstance(obj, MemoRecord):
- # Here, our persistent ID is simply a tuple containing a tag and a
- # key which refers to a specific record in the database.
+ # Here, our persistent ID is simply a tuple, containing a tag and a
+ # key, which refers to a specific record in the database.
return ("MemoRecord", obj.key)
else:
# If obj does not have a persistent ID, return None. This means obj