diff --git a/core.go b/core.go
index 24b4dfdbf..b0cd44b5f 100644
--- a/core.go
+++ b/core.go
@@ -14,6 +14,7 @@ var (
 	intro    = "An unified platform for anti-censorship."
 )
 
+// Version returns V2Ray's version as a string.
 func Version() string {
 	return version
 }