some doc updates [ci skip]

Author: adamhadani

rdflib_sqlalchemy/store.py

@@ -282,7 +282,7 @@ def _build_literal_triple_sql_command(self, subject, predicate, obj, context):
         Build an insert command for literal triples.
 
         These triples correspond to RDF statements where the object is a Literal,
-        e.g. `rdflib.Literal` or primitive Python type, such as string.
+        e.g. `rdflib.Literal`.
 
         """
         triple_pattern = int(