diff --git a/spec.html b/spec.html
index fe6d80cbfb..96607baf4e 100644
--- a/spec.html
+++ b/spec.html
@@ -2285,6 +2285,17 @@ <h1>Well-Known Intrinsic Objects</h1>
                 The initial value of the `prototype` data property of %Map%
               </td>
             </tr>
+            <tr>
+              <td>
+                %MapProto_set%
+              </td>
+              <td>
+                `Map.prototype.set`
+              </td>
+              <td>
+                The initial value of the `set` data property of %MapPrototype% (<emu-xref href="#sec-map.prototype.set"></emu-xref>)
+              </td>
+            </tr>
             <tr>
               <td>
                 %Math%
@@ -33841,6 +33852,7 @@ <h1>Map.prototype.set ( _key_, _value_ )</h1>
           1. Append _p_ as the last element of _entries_.
           1. Return _M_.
         </emu-alg>
+        <p>This function is the <dfn>%MapProto_set%</dfn> intrinsic object.</p>
       </emu-clause>
 
       <emu-clause id="sec-get-map.prototype.size">