diff --git a/options.xhtml b/options.xhtml
index 11e59dfcb..43985692f 100644
--- a/options.xhtml
+++ b/options.xhtml
@@ -25984,6 +25984,34 @@ boolean</p>
 <p><span class="emphasis"><em>Example:</em></span>
 <code class="literal">true</code></p>
 
+<p><span class="emphasis"><em>Declared by:</em></span></p>
+<table border="0" summary="Simple list" class="simplelist">
+<tr><td>
+<code class="filename"><a class="filename"  href="https://github.com/nix-community/home-manager/blob/master/modules/programs/git.nix" target="_top">
+&lt;home-manager/modules/programs/git.nix&gt;
+</a></code>
+</td></tr>
+</table>
+</dd>
+<dt>
+ <span class="term">
+ <a id="opt-programs.git.difftastic.enableAsDifftool"></a><a class="term" href="options.xhtml#opt-programs.git.difftastic.enableAsDifftool"><code class="option">programs.git.difftastic.enableAsDifftool</code>
+  </a>
+ </span>
+</dt>
+<dd>
+<p>Enable the <span class="command"><strong>difftastic</strong></span> syntax highlighter as a git difftool.
+See <a class="link" href="https://github.com/Wilfred/difftastic"  target="_top">https://github.com/Wilfred/difftastic</a>.</p>
+
+<p><span class="emphasis"><em>Type:</em></span>
+boolean</p>
+
+<p><span class="emphasis"><em>Default:</em></span>
+<code class="literal">false</code></p>
+
+<p><span class="emphasis"><em>Example:</em></span>
+<code class="literal">true</code></p>
+
 <p><span class="emphasis"><em>Declared by:</em></span></p>
 <table border="0" summary="Simple list" class="simplelist">
 <tr><td>