diff --git a/Static-filter-syntax.md b/Static-filter-syntax.md
index d875449..63618c8 100644
--- a/Static-filter-syntax.md
+++ b/Static-filter-syntax.md
@@ -584,7 +584,7 @@ The value assigned to `ipaddress` can either be a plain string which must match
 ```adb
 *$script,ipaddress=93.184.215.14
 ||xyz/|$xhr,3p,method=head,ipaddress=/^139\.45\.19[5-7]\.\d{1,3}/
-*$all,ipaddress=::,domain=~0.0.0.0|~127.0.0.1|~[::1]|~[::]|~local|~localhost
+*$all,ipaddress=/^::$/,domain=~0.0.0.0|~127.0.0.1|~[::1]|~[::]|~local|~localhost
 ```
 
 The `ipaddress` option can only be enforced when the extension framework does provide a valid IP address in a _onHeadersReceived_ listener. For instance, cached resources do not have a valid IP address and thus can't be a match to `ipaddress` option.