Regularization-schemes-of-the-pairing-field.md

@@ -42,6 +42,7 @@ with $`\mu_{+} = (\mu_a - V_a + \mu_b - V_b)/2`$ being average local chemical po
 For more info see [arXiv:1008.3933](https://arxiv.org/abs/1008.3933). 
 
 # Renormalization with cubic cutoff
+**!!! THIS FEATURE IS EXPERIMENTAL - NEEDS MORE TESTING !!!**  
 ```c
 #define REGULARIZATION_SCHEME CUBIC_CUTOFF
 ```