diff --git a/spec.html b/spec.html
index 016136541d..38ddcfe724 100644
--- a/spec.html
+++ b/spec.html
@@ -48290,7 +48290,6 @@ <h1>
         <dl class="header">
         </dl>
         <emu-alg>
-          1. Assert: _promiseCapability_ is a PromiseCapability Record.
           1. Let _runningContext_ be the running execution context.
           1. Let _closure_ be a new Abstract Closure with no parameters that captures _promiseCapability_ and _asyncBody_ and performs the following steps when called:
             1. Let _acAsyncContext_ be the running execution context.