diff --git a/django/db/backends/sqlite3/introspection.py b/django/db/backends/sqlite3/introspection.py
index c80248939d..26410152be 100644
--- a/django/db/backends/sqlite3/introspection.py
+++ b/django/db/backends/sqlite3/introspection.py
@@ -88,10 +88,9 @@ class DatabaseIntrospection(BaseDatabaseIntrospection):
 
     def get_relations(self, cursor, table_name):
         """
-        Returns a dictionary of {field_index: (field_index_other_table, other_table)}
-        representing all relationships to the given table. Indexes are 0-based.
+        Return a dictionary of {field_name: (field_name_other_table, other_table)}
+        representing all relationships to the given table.
         """
-
         # Dictionary of relations to return
         relations = {}