diff --git a/README.md b/README.md
index b4796ad..5a90356 100644
--- a/README.md
+++ b/README.md
@@ -1278,7 +1278,7 @@ class MySequence:
 
 #### Discrepancies between glossary definitions and abstract base classes:
 * **Glossary defines iterable as any object with iter() or getitem() and sequence as any object with len() and getitem(). It does not define collection.**
-* **Passing ABC Iterable to isinstance() or issubclass() checks whether object/class has iter(), while ABC Collection checks for iter(), contains() and len().**
+* **Passing ABC Iterable to isinstance() or issubclass() checks whether object/class has method iter(), while ABC Collection checks for iter(), contains() and len().**
 
 ### ABC Sequence
 * **It's a richer interface than the basic sequence.**
diff --git a/index.html b/index.html
index 2883488..6247cf3 100644
--- a/index.html
+++ b/index.html
@@ -1098,7 +1098,7 @@ Hello World!
 
 <div><h4 id="discrepanciesbetweenglossarydefinitionsandabstractbaseclasses">Discrepancies between glossary definitions and abstract base classes:</h4><ul>
 <li><strong>Glossary defines iterable as any object with iter() or getitem() and sequence as any object with len() and getitem(). It does not define collection.</strong></li>
-<li><strong>Passing ABC Iterable to isinstance() or issubclass() checks whether object/class has iter(), while ABC Collection checks for iter(), contains() and len().</strong></li>
+<li><strong>Passing ABC Iterable to isinstance() or issubclass() checks whether object/class has method iter(), while ABC Collection checks for iter(), contains() and len().</strong></li>
 </ul></div>