diff --git a/pymf/solvers.py b/pymf/solvers.py
index 1796fcf03650366e737178eec580eec8e0ed8a2b..40b4feaa7c16a94973aebe64472bed6213c122d1 100644
--- a/pymf/solvers.py
+++ b/pymf/solvers.py
@@ -57,6 +57,7 @@ def solver(
         If the system is 0-dimensional (finite), this parameter is ignored.
     optimizer :
         The solver used to solve the fixed point iteration.
+        Default uses `scipy.optimize.anderson`.
     optimizer_kwargs :
         The keyword arguments to pass to the optimizer.