diff --git a/subjects/ispowerof2.en.md b/subjects/ispowerof2.en.md
index 9d5e4258..9454cb39 100644
--- a/subjects/ispowerof2.en.md
+++ b/subjects/ispowerof2.en.md
@@ -9,7 +9,7 @@ This function returns true if the given number is a power of 2, otherwise it ret
 ## Expected function
 
 ```go
-func Ispowerof2(n uint) bool {
+func IsPowerOf2(n uint) bool {
 
 }
 ```