diff --git a/src/sage/graphs/generic_graph.py b/src/sage/graphs/generic_graph.py
index fb14afc6e0b..9375f9418b3 100644
--- a/src/sage/graphs/generic_graph.py
+++ b/src/sage/graphs/generic_graph.py
@@ -19473,7 +19473,7 @@ def complement(self, immutable=None):
             sage: g.complement()
             Graph on 10 vertices
 
-        Check the behavior of parameter `ìmmutable``::
+        Check the behavior of parameter ``immutable``::
 
             sage: type(Graph().complement()._backend)
             <class 'sage.graphs.base.dense_graph.DenseGraphBackend'>
@@ -19550,7 +19550,7 @@ def to_simple(self, to_undirected=True, keep_label='any', immutable=None):
 
         TESTS:
 
-        Check the behavior of parameter `ìmmutable``::
+        Check the behavior of parameter ``immutable``::
 
             sage: G = Graph([(0, 0), (0, 1)] * 2, loops=True, multiedges=True, immutable=True)
             sage: H = G.to_simple()
@@ -19631,7 +19631,7 @@ def disjoint_union(self, other, labels='pairs', immutable=None):
 
         TESTS:
 
-        Check the behavior of parameter `ìmmutable``::
+        Check the behavior of parameter ``immutable``::
 
             sage: G = Graph([(0, 1)])
             sage: G.disjoint_union(G).is_immutable()