diff --git a/erf50/README.md b/erf50/README.md
index a68d3e5..2756025 100644
--- a/erf50/README.md
+++ b/erf50/README.md
@@ -5,3 +5,5 @@ julia -pNUM_PROCESSES --project=. erf_sims.jl SEEDS N_TEACHER_NEURONS
 # for example
 # julia -p48 --project=. erf_sims.jl 1:40 50
 ```
+If gradient flow did not converge for a given configurations within the given time limit,
+one can restart gradient flow from the result `res["x"]`.