diff --git a/epan/wslua/wslua_tvb.c b/epan/wslua/wslua_tvb.c
index 56f57e6a43..a2f253ef32 100644
--- a/epan/wslua/wslua_tvb.c
+++ b/epan/wslua/wslua_tvb.c
@@ -157,7 +157,7 @@ WSLUA_METHOD Tvb_len(lua_State* L) {
 }
 
 WSLUA_METHOD Tvb_reported_length_remaining(lua_State* L) {
-    /* Obtain the reported (not captured) length of packet data to end of a <<lua_class_Tvb,`Tvb`>> or -1 if the
+    /* Obtain the reported (not captured) length of packet data to end of a <<lua_class_Tvb,`Tvb`>> or 0 if the
        offset is beyond the end of the <<lua_class_Tvb,`Tvb`>>. */
 #define Tvb_reported_length_remaining_OFFSET 2 /* offset */
     Tvb tvb = checkTvb(L,1);