diff --git a/subjects/ispowerof2.md b/subjects/ispowerof2.en.md
similarity index 65%
rename from subjects/ispowerof2.md
rename to subjects/ispowerof2.en.md
index 560c877c..9d5e4258 100644
--- a/subjects/ispowerof2.md
+++ b/subjects/ispowerof2.en.md
@@ -1,19 +1,15 @@
-# ispowerof2
-## Instructions
+## ispowerof2
+
+### Instructions
 
 Write a function that determines if a given number is a power of 2.
 
 This function returns true if the given number is a power of 2, otherwise it returns false.
 
-Your function must be declare as follows:
-
 ## Expected function
 
 ```go
-
-func Ispowerof2(n uint) bool {	
+func Ispowerof2(n uint) bool {
 
 }
-
 ```
-