diff --git a/sqlmap.conf b/sqlmap.conf
index 800c2d111..c441eda5c 100644
--- a/sqlmap.conf
+++ b/sqlmap.conf
@@ -92,7 +92,7 @@ authCred =
 authPrivate = 
 
 # Use a proxy to connect to the target URL.
-# Syntax: http://address:port
+# Syntax: (http|https|socks4|socks5)://address:port
 proxy = 
 
 # Proxy authentication credentials. Useful only if the proxy requires