diff --git a/README.md b/README.md
index c5c45e7..7869e0d 100644
--- a/README.md
+++ b/README.md
@@ -1094,7 +1094,7 @@ Duck Types
 ### Comparable
 * **If eq() method is not overridden, it returns `'id(self) == id(other)'`, which is the same as `'self is other'`.**
 * **That means all objects compare not equal by default.**
-* **Only the left side object has eq() method called, unless it returns NotImplemented, in which case the right object is consulted.**
+* **Only the left side object has eq() method called, unless it returns NotImplemented, in which case the right object is consulted. False is returned if both return NotImplemented.**
 * **Ne() automatically works on any object that has eq() defined.**
 
 ```python
diff --git a/index.html b/index.html
index 69b329b..05fe4ed 100644
--- a/index.html
+++ b/index.html
@@ -923,7 +923,7 @@ Z = dataclasses.make_dataclass(<span class="hljs-string">'Z'</span>, [<span clas
 <div><h2 id="ducktypes"><a href="#ducktypes" name="ducktypes">#</a>Duck Types</h2><p><strong>A duck type is an implicit type that prescribes a set of special methods. Any object that has those methods defined is considered a member of that duck type.</strong></p><div><h3 id="comparable">Comparable</h3><ul>
 <li><strong>If eq() method is not overridden, it returns <code class="python hljs"><span class="hljs-string">'id(self) == id(other)'</span></code>, which is the same as <code class="python hljs"><span class="hljs-string">'self is other'</span></code>.</strong></li>
 <li><strong>That means all objects compare not equal by default.</strong></li>
-<li><strong>Only the left side object has eq() method called, unless it returns NotImplemented, in which case the right object is consulted.</strong></li>
+<li><strong>Only the left side object has eq() method called, unless it returns NotImplemented, in which case the right object is consulted. False is returned if both return NotImplemented.</strong></li>
 <li><strong>Ne() automatically works on any object that has eq() defined.</strong></li>
 </ul><pre><code class="python language-python hljs"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">MyComparable</span>:</span>
     <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">__init__</span><span class="hljs-params">(self, a)</span>:</span>