Update README.md

Co-authored-by: Denis Tingaikin <denis.tingaikin@outlook.com>
Signed-off-by: Gleb Kogtev <gleb.kogtev@gmail.com>

README.md

@@ -119,10 +119,11 @@ If `race` is enable, we will get `NXDOMAIN` result quickly, otherwise we will ge
 Sends parallel requests between two randomly selected resolvers. Note, that `127.0.0.1:9007` would be selected more frequently as it has the highest `weighted-random-load-factor`.
 ~~~ corefile
 example.org {
-    fanout . 127.0.0.1:9005 127.0.0.1:9006 127.0.0.1:9007
-    policy weighted-random
-    weighted-random-server-count 2
-    weighted-random-load-factor 50 70 100
+    fanout . 127.0.0.1:9005 127.0.0.1:9006 127.0.0.1:9007 {
+      policy weighted-random
+      weighted-random-server-count 2
+      weighted-random-load-factor 50 70 100
+    }
 }
 ~~~