diff --git a/README.mdown b/README.mdown
index 4b563d4..1461a55 100644
--- a/README.mdown
+++ b/README.mdown
@@ -88,7 +88,7 @@ It is important to note that sanitization is not sterile.
 Star San does not kill all bacteria or mold.
 There is always a risk of contamination.
 
-If you have a way to vent your workspace or won't bother anyone else with the fumes you can use diluted rubbing alcohol instead of star san.
+If you have a way to vent your workspace or won't bother anyone else with the fumes you can use 70% isopropyl alcohol instead of star san.
 
 Your face, hands, and tools are the major source of contamination.
 Tools can be sterilize in a pressure cooker or [autoclave](#autoclave).