diff --git a/README.md b/README.md
index 3956b57b..e686325f 100644
--- a/README.md
+++ b/README.md
@@ -272,12 +272,12 @@ There are three options how you can install an unstable version:
 
 Beta:
 ```
-curl -sSL https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh | sh -s beta
+curl -s -S -L https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh | sh -s -- -c beta
 ```
 
 Edge:
 ```
-curl -sSL https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh | sh -s edge
+curl -s -S -L https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh | sh -s -- -c edge
 ```
 
 * Beta channel builds