diff --git a/README.md b/README.md
index 3ff7404ddfca58f50fd571dbe46419a2af177c73..ac105db1c14cb9263fdf8898a67daf4e53f75206 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ asses it to notice our users. We expect that these protective equipment lasts 3
 level of 98% of the total number of particles initially challenging the filter is
 obtained". Target: 95%
 - Preassure Drop: The higher the pressure drop, the harder it is to breathe. Target: <5.82 [mmH20] at a flow rate of 32 [L/min]. 
+- We are following [FDA COVID-19 Face Mask Public Health Guidelines ](url)
 
 All this tests could be replaced by a DOP ([DOP Guideline](http://www.eacoontario.com/pdf/2013/Revised%20August%2027%202013%20DOP%20PAO%20HEPA%20IntegrityTesting%20Procedure.pdf)). 
 All of these steps are meant to test the feasibility of the development quickly.