1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_obj.h b/src/lj_obj.h
index c237ebf5..85d904f3 100644
--- a/src/lj_obj.h
+++ b/src/lj_obj.h
@@ -358,7 +358,7 @@ typedef struct GCproto {
   GCRef gclist;
   ProtoK k;             /* Split constant array (points to the middle). */
   BCIns *bc;            /* Array of bytecode instructions. */
-  int16_t *uv;          /* Upvalue list. local >= 0. parent uv < 0. */
+  uint16_t *uv;         /* Upvalue list. local slot|0x8000 or parent uv idx. */
   MSize sizekgc;        /* Number of collectable constants. */
   MSize sizekn;         /* Number of lua_Number constants. */
   uint8_t sizeuv;       /* Number of upvalues. */