diff --git a/spec/collator.html b/spec/collator.html
index aca24494..9f236cb3 100644
--- a/spec/collator.html
+++ b/spec/collator.html
@@ -338,7 +338,7 @@ <h1>Intl.Collator.prototype.resolvedOptions ()</h1>
     <h1>Properties of Intl.Collator Instances</h1>
 
     <p>
-      Intl.Collator instances inherit properties from %CollatorPrototype%.
+      Intl.Collator instances are ordinary objects that inherit properties from %CollatorPrototype%.
     </p>
 
     <p>
diff --git a/spec/datetimeformat.html b/spec/datetimeformat.html
index fbfcfc21..4305d49c 100644
--- a/spec/datetimeformat.html
+++ b/spec/datetimeformat.html
@@ -770,7 +770,7 @@ <h1>Intl.DateTimeFormat.prototype.resolvedOptions ()</h1>
     <h1>Properties of Intl.DateTimeFormat Instances</h1>
 
     <p>
-      Intl.DateTimeFormat instances inherit properties from %DateTimeFormatPrototype%.
+      Intl.DateTimeFormat instances are ordinary objects that inherit properties from %DateTimeFormatPrototype%.
     </p>
 
     <p>
diff --git a/spec/numberformat.html b/spec/numberformat.html
index dd7c9a8b..809c913d 100644
--- a/spec/numberformat.html
+++ b/spec/numberformat.html
@@ -701,7 +701,7 @@ <h1>Intl.NumberFormat.prototype.resolvedOptions ()</h1>
     <h1>Properties of Intl.NumberFormat Instances</h1>
 
     <p>
-      Intl.NumberFormat instances inherit properties from %NumberFormatPrototype%.
+      Intl.NumberFormat instances are ordinary objects that inherit properties from %NumberFormatPrototype%.
     </p>
 
     <p>
diff --git a/spec/pluralrules.html b/spec/pluralrules.html
index ef719370..edef82aa 100644
--- a/spec/pluralrules.html
+++ b/spec/pluralrules.html
@@ -332,7 +332,7 @@ <h1>Intl.PluralRules.prototype.resolvedOptions ()</h1>
     <h1>Properties of Intl.PluralRules Instances</h1>
 
     <p>
-      Intl.PluralRules instances inherit properties from %PluralRulesPrototype%.
+      Intl.PluralRules instances are ordinary objects that inherit properties from %PluralRulesPrototype%.
     </p>
 
     <p>