diff --git a/subjects/divisors/README.md b/subjects/divisors/README.md
index f22d3f5f..eb78bc5a 100644
--- a/subjects/divisors/README.md
+++ b/subjects/divisors/README.md
@@ -4,6 +4,7 @@
 
 Write a function that takes a positive  integer and returns the number of it's devisors.
 - If the the number a is negative return 0.
+- Test numbers from 0 to 99999999 .
 
 ### Expected function
 ```go