diff --git a/infra/conf/common.go b/infra/conf/common.go
index 6b12d586c060..6920cc08e728 100644
--- a/infra/conf/common.go
+++ b/infra/conf/common.go
@@ -305,7 +305,7 @@ func (r *Int32Range) ensureOrder() {
 	}
 }
 
-// "-114-514"   →  ["114","-514"]
+// "-114-514"   →  ["-114","514"]
 // "-1919--810" →  ["-1919","-810"]
 func splitFromSecondDash(s string) []string {
 	parts := strings.SplitN(s, "-", 3)