Issue WICG#146 - Only create a single arbitrary brand item

index.bs

@@ -438,11 +438,11 @@ When asked to run the <dfn>create brands</dfn> algorithm, the [=user agent=] MUS
 
 4.  The [=user agent=] SHOULD execute the following steps:
 
-    1.  [=list/Append=] additional items to |list| containing {{NavigatorUABrandVersion}} objects,
+    1.  [=list/Append=] one additional [=list/item=] to |list| containing a {{NavigatorUABrandVersion}} dictionary,
         initialized with <a lt="create an arbitrary brand">arbitrary brand</a> and <a lt="create an arbitrary version">
         arbitrary version</a> combinations.
 
-    2.  Randomize the order of the items in |list|.
+    2.  Randomize the order of the [=list/items=] in |list|.
 
     Note: One approach to minimize caching variance when generating these random components could be to
     determine them at build time, and keep them identical throughout the lifetime of the [=user agent=]'s significant