Duck types

README.md

@@ -1262,7 +1262,7 @@ class MyCollection:
 ```
 
 ### Sequence
-* **Only required methods are len() and getitem().**
+* **Only required methods are getitem() and len().**
 * **Getitem() should return an item at the passed index or raise IndexError.**
 * **Iter() and contains() automatically work on any object that has getitem() defined.**
 * **Reversed() automatically works on any object that has getitem() and len() defined.**

index.html

@@ -1081,7 +1081,7 @@ Hello World!
 
 
 <div><h3 id="sequence">Sequence</h3><ul>
-<li><strong>Only required methods are len() and getitem().</strong></li>
+<li><strong>Only required methods are getitem() and len().</strong></li>
 <li><strong>Getitem() should return an item at the passed index or raise IndexError.</strong></li>
 <li><strong>Iter() and contains() automatically work on any object that has getitem() defined.</strong></li>
 <li><strong>Reversed() automatically works on any object that has getitem() and len() defined.</strong></li>