diff --git a/adaptive/learner.py b/adaptive/learner.py
index 196c409126ee0655cf28f8139a37a0d8c33b27be..70d98adeea66c34b6f60708268a233190fc613c6 100644
--- a/adaptive/learner.py
+++ b/adaptive/learner.py
@@ -475,7 +475,7 @@ class BalancingLearner(BaseLearner):
 
 
 def _max_disagreement_location_in_simplex(points, values, grad, transform):
-    """Find the point of maximum disagreement between linear and quadratic model.
+    """Find the point of maximum disagreement between linear and cubic model.
 
     Parameters
     ----------