paulfdev
diff --git a/‎README.md‎
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diff --git a/‎index.html‎
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@@ -80,15 +80,16 @@ value  = <dict>.setdefault(key, default=None)   # Returns and writes default if
 ```
 
 ```python
-<dict>.update(<dict>)
 <dict> = dict(<collection>)                     # Creates a dict from coll. of key-value pairs.
 <dict> = dict(zip(keys, values))                # Creates a dict from two collections.
 <dict> = dict.fromkeys(keys [, value])          # Creates a dict from collection of keys.
 ```
 
 ```python
 value = <dict>.pop(key)                         # Removes item or raises KeyError.
-{k: v for k, v in <dict>.items() if k in keys}  # Filters dictionary by keys.
+<dict>.update(<dict>)                           # Adds items. Replaces ones with matching keys.
+[k for k, v in <dict>.items() if v == value]    # Returns list of keys that point to value.
+{k: v for k, v in <dict>.items() if k in keys}  # Returns dictionary filtered by keys.
 ```
 
 ### Counter
 
@@ -266,13 +266,14 @@
 &lt;dict&gt; = collections.defaultdict(&lt;type&gt;)        <span class="hljs-comment"># Creates a dict with default value of type.</span>
 &lt;dict&gt; = collections.defaultdict(<span class="hljs-keyword">lambda</span>: <span class="hljs-number">1</span>)     <span class="hljs-comment"># Creates a dict with default value 1.</span>
 </code></pre>
-<pre><code class="python language-python hljs">&lt;dict&gt;.update(&lt;dict&gt;)
-&lt;dict&gt; = dict(&lt;collection&gt;)                     <span class="hljs-comment"># Creates a dict from coll. of key-value pairs.</span>
+<pre><code class="python language-python hljs">&lt;dict&gt; = dict(&lt;collection&gt;)                     <span class="hljs-comment"># Creates a dict from coll. of key-value pairs.</span>
 &lt;dict&gt; = dict(zip(keys, values))                <span class="hljs-comment"># Creates a dict from two collections.</span>
 &lt;dict&gt; = dict.fromkeys(keys [, value])          <span class="hljs-comment"># Creates a dict from collection of keys.</span>
 </code></pre>
 <pre><code class="python language-python hljs">value = &lt;dict&gt;.pop(key)                         <span class="hljs-comment"># Removes item or raises KeyError.</span>
-{k: v <span class="hljs-keyword">for</span> k, v <span class="hljs-keyword">in</span> &lt;dict&gt;.items() <span class="hljs-keyword">if</span> k <span class="hljs-keyword">in</span> keys}  <span class="hljs-comment"># Filters dictionary by keys.</span>
+&lt;dict&gt;.update(&lt;dict&gt;)                           <span class="hljs-comment"># Adds items. Replaces ones with matching keys.</span>
+[k <span class="hljs-keyword">for</span> k, v <span class="hljs-keyword">in</span> &lt;dict&gt;.items() <span class="hljs-keyword">if</span> v == value]    <span class="hljs-comment"># Returns list of keys that point to value.</span>
+{k: v <span class="hljs-keyword">for</span> k, v <span class="hljs-keyword">in</span> &lt;dict&gt;.items() <span class="hljs-keyword">if</span> k <span class="hljs-keyword">in</span> keys}  <span class="hljs-comment"># Returns dictionary filtered by keys.</span>
 </code></pre>
 <div><h3 id="counter">Counter</h3><pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> collections <span class="hljs-keyword">import</span> Counter
 <span class="hljs-meta">&gt;&gt;&gt; </span>colors = [<span class="hljs-string">'blue'</span>, <span class="hljs-string">'red'</span>, <span class="hljs-string">'blue'</span>, <span class="hljs-string">'red'</span>, <span class="hljs-string">'blue'</span>]