GROUP_CONCAT in typewriter font.

Co-authored-by: Ted Thibodeau Jr <[email protected]>

Author: hartig

spec/index.html

@@ -9788,7 +9788,7 @@ <h5>GroupConcat</h5>
             <div class="defn">
               <p><b>Definition: <span id="defn_aggGroupConcat">GroupConcat</span></b></p>
               <pre class="code nohighlight">literal <var>GroupConcat</var>(sequence <var>S</var>, function <var>scalarvals</var>)</pre>
-              <p>If the <var>scalarvals</var> argument is absent from GROUP_CONCAT,
+              <p>If the <var>scalarvals</var> argument is absent from <code>GROUP_CONCAT</code>,
                 then <var>scalarvals</var> is taken to be the empty function.</p>
               <p>Let <var>sep</var> be a string that is defined as follows.</p>
               <ul>