diff --git a/robots.txt b/robots.txt
index 5f368f7..fe6c02d 100755
--- a/robots.txt
+++ b/robots.txt
@@ -21,4 +21,8 @@ Disallow: /wiki/*
 Disallow: /en/wiki/*
 
 User-agent: Crawler
-Disallow: /
\ No newline at end of file
+Disallow: /
+
+User-agent: Yandex
+Disallow:
+Clean-param: graphName
\ No newline at end of file