Fix typos and add temporary PR note

spec.html

@@ -7391,12 +7391,18 @@ <h1>
           1. Let _method_ be ? GetMethod(_V_, @@asyncDispose).
           1. If _method_ is *undefined*, then
             1. Set _method_ to ? GetMethod(_V_, @@dispose).
-              1. Let _closure_ be a new Abstract Closure with no parameters that captures _method_ and performs the following steps when called:
-                1. Let _O_ be the *this* value.
-                1. Perform ? Call(_method_, _O_).
-                1. Return *undefined*.
-              1. NOTE: This function is not observable to user code. It is used to ensure that a Promise returned from a synchronous `@@dispose` method will not be awaited.
-              1. Return CreateBuiltinFunction(_closure_, 0, *""*, « »).
+              <!--
+              TODO: Uncomment the following line and indent the section below once https://github.com/tc39/proposal-explicit-resource-management/pull/217 is merged.
+              1. If _method_ is not *undefined*, then
+              -->
+              <!-- BEGIN INDENT -->
+            1. Let _closure_ be a new Abstract Closure with no parameters that captures _method_ and performs the following steps when called:
+              1. Let _O_ be the *this* value.
+              1. Perform ? Call(_method_, _O_).
+              1. Return *undefined*.
+            1. NOTE: This function is not observable to user code. It is used to ensure that a Promise returned from a synchronous `@@dispose` method will not be awaited.
+            1. Return CreateBuiltinFunction(_closure_, 0, *""*, « »).
+              <!-- END INDENT -->
         1. Else,
           1. Let _method_ be ? GetMethod(_V_, @@dispose).
         1. Return _method_.
@@ -23910,7 +23916,7 @@ <h1>
       <emu-grammar>FunctionBody : FunctionStatementList</emu-grammar>
       <emu-alg>
         1. Perform ! FunctionDeclarationInstantiation(_functionObject_, _argumentsList_).
-        1. Return ? Evaluation of |FunctionStatementList|).
+        1. Return ? Evaluation of |FunctionStatementList|.
       </emu-alg>
     </emu-clause>