diff --git a/doc/possible-checks.md b/doc/possible-checks.md
index add579c..4ea4530 100644
--- a/doc/possible-checks.md
+++ b/doc/possible-checks.md
@@ -1,5 +1,5 @@
-
-# Possible checks
-
-## Cases:
-- try to add new virtual token to subject who has no physical card
+
+# Possible checks
+
+## Cases:
+- try to add new virtual token to subject who has no physical card