diff --git a/README.md b/README.md
index be0cc23..782df3f 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Possible GET-Parameter:
 - `logo-right-second`
 - `claim-left`
 - `claim-right`
+- `color=[web|print|black]`
 
 ## Use it on your website