diff --git a/subjects/ispowerof2/README.md b/subjects/ispowerof2/README.md
index 39c06c6f6..cb85f0d7a 100644
--- a/subjects/ispowerof2/README.md
+++ b/subjects/ispowerof2/README.md
@@ -4,11 +4,11 @@
 
 Write a program that determines if a given number is a power of 2.
 
-This program must print `true` if the given number is a power of 2, otherwise it prints `false`.
+This program must print `true` if the given number is a power of 2, otherwise it has to print `false`.
 
 - If there is more than one or no argument the program should print nothing.
 
-- When there is only one argument, it will always be a positive valid int.
+- When there is only one argument, it will always be a positive valid `int`.
 
 ### Usage :