diff --git a/README.md b/README.md
index da2a0e8..8bcf780 100644
--- a/README.md
+++ b/README.md
@@ -73,8 +73,8 @@ Dictionary
 ```
 
 ```python
-value  = <dict>.get(key, default=None)          # Returns default if key does not exist.
-value  = <dict>.setdefault(key, default=None)   # Adds default to dict if key doesn't exist.
+value  = <dict>.get(key, default=None)          # Returns default if key is missing.
+value  = <dict>.setdefault(key, default=None)   # Returns and writes default if key is missing.
 <dict> = collections.defaultdict(<type>)        # Creates a dict with default value of type.
 <dict> = collections.defaultdict(lambda: 1)     # Creates a dict with default value 1.
 ```
diff --git a/index.html b/index.html
index 903ee63..765135f 100644
--- a/index.html
+++ b/index.html
@@ -261,8 +261,8 @@ index = &lt;list&gt;.index(&lt;el&gt;)     <span class="hljs-comment"># Returns
 &lt;view&gt; = &lt;dict&gt;.items()                         <span class="hljs-comment"># Coll. of key-value tuples.</span>
 </code></pre></div>
 
-<pre><code class="python language-python hljs">value  = &lt;dict&gt;.get(key, default=<span class="hljs-keyword">None</span>)          <span class="hljs-comment"># Returns default if key does not exist.</span>
-value  = &lt;dict&gt;.setdefault(key, default=<span class="hljs-keyword">None</span>)   <span class="hljs-comment"># Adds default to dict if key doesn't exist.</span>
+<pre><code class="python language-python hljs">value  = &lt;dict&gt;.get(key, default=<span class="hljs-keyword">None</span>)          <span class="hljs-comment"># Returns default if key is missing.</span>
+value  = &lt;dict&gt;.setdefault(key, default=<span class="hljs-keyword">None</span>)   <span class="hljs-comment"># Returns and writes default if key is missing.</span>
 &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>