fix request access build error

Author: a-sully

index.bs

@@ -267,8 +267,8 @@ The <dfn method for=FileSystemHandle>remove(|options|)</dfn> method steps are:
 1. Let |result| be [=a new promise=].
 1. Run these steps [=in parallel=]:
   1. Let |entry| be <b>[=this=]</b>'s [=FileSystemHandle/entry=].
-  1. Let |access| be the result of running |entry|'s
-     [=entry/request access=] given "`readwrite`".
+  1. Let |access| be the result of running [=this=]'s
+     [=FileSystemHandle/entry=]'s [=entry/request access=] given "`readwrite`".
   1. If |access| is not "{{PermissionState/granted}}", reject |result| with a
      "{{NotAllowedError}}" {{DOMException}} and abort.