diff --git a/src/ca/CAref.html b/src/ca/CAref.html
index 1b470e8da..786efd679 100644
--- a/src/ca/CAref.html
+++ b/src/ca/CAref.html
@@ -2306,7 +2306,7 @@ any time.</p>
 
 <h3><a name="ca_clear_channel"></a><code>ca_clear_channel()</code></h3>
 <pre><code>#include &lt;cadef.h&gt;
-int ca_clear_channel (evid CHID);</code></pre>
+int ca_clear_channel (chid CHID);</code></pre>
 
 <h4>Description</h4>