diff --git a/index.html b/index.html
index d5c3c47..b688181 100644
--- a/index.html
+++ b/index.html
@@ -98,7 +98,7 @@ <h3 id="installation">Installation<a class="anchor" aria-label="anchor" href="#i
 <div class="section level3">
 <h3 id="quick-start">Quick Start<a class="anchor" aria-label="anchor" href="#quick-start"></a>
 </h3>
-<p><code>secretbase</code> offers the functions: <code><a href="reference/sha3.html">sha3()</a></code> for objects and <code><a href="reference/sha3.html">sha3sum()</a></code> for files.</p>
+<p><code>secretbase</code> offers the functions: <code><a href="reference/sha3.html">sha3()</a></code> for objects and <code><a href="reference/sha3.html">sha3file()</a></code> for files.</p>
 <p>To use:</p>
 <ul>
 <li>SHA-3 cryptographic hash algorithm, specify ‘bits’ as one of <code>224</code>, <code>256</code>, <code>384</code> or <code>512</code>
@@ -133,11 +133,11 @@ <h3 id="quick-start">Quick Start<a class="anchor" aria-label="anchor" href="#qui
 <span><span class="co">#&gt; [1] "b3e37e4c5def1bfb2841b79ef8503b83d1fed46836b5b913d7c16de92966dcee"</span></span></code></pre></div>
 <p>Hash files:</p>
 <ul>
-<li>files are read in a streaming fashion and do not need to fit in memory.</li>
+<li>read in a streaming fashion so can be larger than memory</li>
 </ul>
 <div class="sourceCode" id="cb5"><pre class="downlit sourceCode r">
 <code class="sourceCode R"><span><span class="va">file</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/tempfile.html" class="external-link">tempfile</a></span><span class="op">(</span><span class="op">)</span>; <span class="fu"><a href="https://rdrr.io/r/base/cat.html" class="external-link">cat</a></span><span class="op">(</span><span class="st">"secret base"</span>, file <span class="op">=</span> <span class="va">file</span><span class="op">)</span></span>
-<span><span class="fu"><a href="reference/sha3.html">sha3sum</a></span><span class="op">(</span><span class="va">file</span><span class="op">)</span></span>
+<span><span class="fu"><a href="reference/sha3.html">sha3file</a></span><span class="op">(</span><span class="va">file</span><span class="op">)</span></span>
 <span><span class="co">#&gt; [1] "a721d57570e7ce366adee2fccbe9770723c6e3622549c31c7cab9dbb4a795520"</span></span></code></pre></div>
 <p>Hash to integer:</p>
 <ul>
diff --git a/pkgdown.yml b/pkgdown.yml
index bd86946..1f6f7fe 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,7 +2,7 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-01-24T23:01Z
+last_built: 2024-01-25T09:17Z
 urls:
   reference: https://shikokuchuo.net/secretbase/reference
   article: https://shikokuchuo.net/secretbase/articles
diff --git a/reference/index.html b/reference/index.html
index cf66717..207f78b 100644
--- a/reference/index.html
+++ b/reference/index.html
@@ -57,7 +57,7 @@ <h1>Reference</h1>
         </td>
         <td><p>secretbase: Cryptographic Hash and Extendable-Output Functions</p></td>
       </tr><tr><td>
-          <p><code><a href="sha3.html">sha3()</a></code> <code><a href="sha3.html">sha3sum()</a></code> </p>
+          <p><code><a href="sha3.html">sha3()</a></code> <code><a href="sha3.html">sha3file()</a></code> </p>
         </td>
         <td><p>Cryptographic Hashing Using the SHA-3 Algorithm</p></td>
       </tr></tbody></table></div>
diff --git a/reference/sha3.html b/reference/sha3.html
index 4cf0acb..103932c 100644
--- a/reference/sha3.html
+++ b/reference/sha3.html
@@ -61,7 +61,7 @@ <h1>Cryptographic Hashing Using the SHA-3 Algorithm</h1>
     <div id="ref-usage">
     <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">sha3</span><span class="op">(</span><span class="va">x</span>, bits <span class="op">=</span> <span class="fl">256L</span>, convert <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span>
 <span></span>
-<span><span class="fu">sha3sum</span><span class="op">(</span><span class="va">file</span>, bits <span class="op">=</span> <span class="fl">256L</span>, convert <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
+<span><span class="fu">sha3file</span><span class="op">(</span><span class="va">file</span>, bits <span class="op">=</span> <span class="fl">256L</span>, convert <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
     </div>
 
     <div id="arguments">
@@ -138,7 +138,7 @@ <h2>Examples</h2>
 <span class="r-in"><span></span></span>
 <span class="r-in"><span><span class="co"># SHA3-256 hash a file:</span></span></span>
 <span class="r-in"><span><span class="va">file</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/tempfile.html" class="external-link">tempfile</a></span><span class="op">(</span><span class="op">)</span>; <span class="fu"><a href="https://rdrr.io/r/base/cat.html" class="external-link">cat</a></span><span class="op">(</span><span class="st">"secret base"</span>, file <span class="op">=</span> <span class="va">file</span><span class="op">)</span></span></span>
-<span class="r-in"><span><span class="fu">sha3sum</span><span class="op">(</span><span class="va">file</span><span class="op">)</span></span></span>
+<span class="r-in"><span><span class="fu">sha3file</span><span class="op">(</span><span class="va">file</span><span class="op">)</span></span></span>
 <span class="r-out co"><span class="r-pr">#&gt;</span> [1] "a721d57570e7ce366adee2fccbe9770723c6e3622549c31c7cab9dbb4a795520"</span>
 <span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/unlink.html" class="external-link">unlink</a></span><span class="op">(</span><span class="va">file</span><span class="op">)</span></span></span>
 <span class="r-in"><span>    </span></span>