More docs tweaks.

docs/index.html

@@ -74,6 +74,8 @@ <h1><a id="splay-tree-map" class="anchor" href="#splay-tree-map">
   </svg>
 </a>Splay Tree Map</h1>
 
+<p><a href="https://github.com/wyhaines/splay_tree_map.cr/releases" target="_blank"><img src="https://img.shields.io/github/release/wyhaines/splay_tree_map.cr.svg" alt="GitHub release"/></a></p>
+
 <p>A splay tree is a type of binary search tree that self organizes so that the
 most frequently accessed items tend to be towards the root of the tree, where
 they can be accessed more quickly.</p>
@@ -92,7 +94,7 @@ <h3><a id="leaf-pruning" class="anchor" href="#leaf-pruning">
 accessed elements towards the root of the tree, the least frequently accessed
 items tend to migrate towards the leaves of the tree. This implementation
 offers a method that can be used to prune its leaves, which generally has the
-effect of removing the least frequently accessed items from the hash.</p>
+effect of removing the least frequently accessed items from the tree.</p>
 
 <p>This is useful if the data structure is being used to implement a cache, as
 it can be used to control the size of the cache while generaly keeping the
@@ -136,7 +138,7 @@ <h2><a id="usage" class="anchor" href="#usage">
   </svg>
 </a>Usage</h2>
 
-<p>Full documentation can be found at: https://wyhaines.github.io/splay_tree_map.cr/index.html</p>
+<p>Full documentation can be found at: <a href="https://wyhaines.github.io/splay_tree_map.cr/index.html" target="_blank">https://wyhaines.github.io/splay_tree_map.cr/index.html</a></p>
 
 <pre><code class="language-crystal"><span class="k">require</span> <span class="s">&quot;splay_tree_map&quot;</span></code></pre>
 
@@ -154,7 +156,7 @@ <h2><a id="usage" class="anchor" href="#usage">
 
 stm.delete(<span class="s">&quot;junk&quot;</span>)
 
-puts stm.find(<span class="s">&quot;something&quot;</span>) <span class="c"># This finds, but doesn&#39;t splay.</span>
+puts stm.obtain(<span class="s">&quot;something&quot;</span>) <span class="c"># This finds, but doesn&#39;t splay.</span>
 
 stm.prune <span class="c"># remove all leaves</span></code></pre>