diff --git a/docs/intro_to_graphs.rst b/docs/intro_to_graphs.rst
index 4227634a5..c061a3c7b 100644
--- a/docs/intro_to_graphs.rst
+++ b/docs/intro_to_graphs.rst
@@ -105,7 +105,7 @@ node, not a generator:
     # get any name of bob
     name = g.value(bob, FOAF.name)
     # get the one person that knows bob and raise an exception if more are found
-    mbox = g.value(predicate = FOAF.name, object=bob, any=False)
+    person = g.value(predicate=FOAF.knows, object=bob, any=False)
 
 
 :class:`~rdflib.graph.Graph` methods for accessing triples
diff --git a/pyproject.toml b/pyproject.toml
index 23c51b12c..0d7d4c8c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -115,6 +115,9 @@ pep8-naming = ["-N815"]
 pep8-naming = ["-N802"]
 [tool.flakeheaven.exceptions."rdflib/plugins/parsers/trix.py"]
 pep8-naming = ["-N802"]
+[tool.flakeheaven.exceptions."docs/*.rst"]
+pyflakes = ["-F821"]
+
 
 [tool.black]
 required-version = "23.3.0"