diff --git a/index.bs b/index.bs
index 042bc54a..a3a6d88e 100644
--- a/index.bs
+++ b/index.bs
@@ -11880,8 +11880,8 @@ in which case they are exposed on every object that [=implements=] the interface
 
     1.  Let |steps| be the following series of steps:
         1.  Try running the following steps:
-            1.  Let |idlObject| be null.
-            1.  If |target| is an [=interface=], and |attribute| is a [=regular attribute=]:
+            1.  If |target| is an [=interface=], and |attribute| is a [=regular attribute=],
+                let |R| initially be undefined and execute the following steps:
                 1.  Let |esValue| be the <emu-val>this</emu-val> value, if it is not
                     <emu-val>null</emu-val> or <emu-val>undefined</emu-val>, or |realm|'s
                     [=Realm/global object=] otherwise.
@@ -11897,10 +11897,18 @@ in which case they are exposed on every object that [=implements=] the interface
                     1.  Otherwise, [=ECMAScript/throw=] a {{ECMAScript/TypeError}}.
                 1.  If |attribute|'s type is an [=observable array type=], then return |esValue|'s
                     [=backing observable array exotic object=] for |attribute|.
-                1.  Set |idlObject| to the IDL [=interface type=] value that represents a reference
+                1.  Let |idlObject| be the IDL [=interface type=] value that represents a reference
                     to |esValue|.
-            1.  Let |R| be the result of running the [=getter steps=] of |attribute| with
-                |idlObject| as [=this=].
+                1.  Set |R| to the result of running the [=getter steps=] of |attribute| with
+                    |idlObject| as [=this=].
+
+                Otherwise, let |R| be the result of running the [=getter steps=] of |attribute| with
+                    null as [=this=].
+
+                Note: [=Namespaces=] and [=interface=] objects (themselves,
+                rather than their instances) are not intended to carry state,
+                so their attribute getters intentionally do not get access to them.
+
             1.  Return the result of [=converted to an ECMAScript value|converting=] |R| to an
                 ECMAScript value of the type |attribute| is declared as.