diff --git a/subjects/basicjoin.en.md b/subjects/basicjoin.en.md
index ee43d8bb0..96173890d 100644
--- a/subjects/basicjoin.en.md
+++ b/subjects/basicjoin.en.md
@@ -7,7 +7,7 @@ Write a function that returns the concatenation of all the `string` of a table o
 ### Expected function
 
 ```go
-func basicJoin(strs []string) string {
+func BasicJoin(strs []string) string {
 
 }
 ```