--- a/README.md	Sun May 17 19:37:46 2026 -0500
+++ b/README.md	Sun May 17 19:40:50 2026 -0500
@@ -177,7 +177,7 @@
 Now you can run the experiments in the article with
 
     cargo run --release  -- \
-    -o results -a radon_sliding_fb -a radon_fb --max-iter 20000
+    -o results -a radon_sliding_fb -a radon_fb --max-iter 20000 \
     experiments/laser_and_mirrors_aux.py experiments/laser_and_mirrors_aux2.py
 
 The `-o results` option tells `pointsource_pde` to write results in the `results` directory.