diff --git a/Home.md b/Home.md
index 4276a3b..91a9318 100644
--- a/Home.md
+++ b/Home.md
@@ -12,8 +12,8 @@ If you have a list of adresses (in swizerland) you can use the Sonnendach Applic
 * Value in CHF with roof surface fully covered – optimum use
 
 ## Requirements
-* Windows operating system
-* Google Chrome must be installed
+* Windows operating system (Other operating systems might work as well but have not been tested yet by us.)
+* Newest Version of Firefox must be installed
 
 ## How Sonnendach works:
 ### 1. Prepaire a list with a header row and all your adresses in the following rows.