diff --git a/test/core/binary-leb128.wast b/test/core/binary-leb128.wast
index 27584c7f6b..787ba9eb59 100644
--- a/test/core/binary-leb128.wast
+++ b/test/core/binary-leb128.wast
@@ -26,7 +26,7 @@
   "\05\03\01"                          ;; Memory section with 1 entry
   "\00\00"                             ;; no max, minimum 0
   "\0b\07\01"                          ;; Data section with 1 entry
-  "\80\00"                             ;; Memory index 0, encoded with 2 bytes
+  "\80\00"                             ;; Flags 0, encoded with 2 bytes
   "\41\00\0b\00"                       ;; (i32.const 0) with contents ""
 )
 (module binary