diff --git a/doc/ui/api/trainer_config_helpers/layers.html b/doc/ui/api/trainer_config_helpers/layers.html
index ed4c24e561ba2ac1f4473385945be9293a25d4e9..ce64b46abb938597208a958485db7fc383568f48 100644
--- a/doc/ui/api/trainer_config_helpers/layers.html
+++ b/doc/ui/api/trainer_config_helpers/layers.html
@@ -281,7 +281,7 @@ support GPU mode.</p>
 <li><strong>filter_size_y</strong> (<em>int</em>) &#8211; The y dimension of a filter kernel. Since
 PaddlePaddle now supports rectangular filters,
 the filter&#8217;s shape can be (filter_size, filter_size_y).</li>
-<li><strong>num_filter</strong> (<em>int</em>) &#8211; channel of output data.</li>
+<li><strong>num_filters</strong> (<em>int</em>) &#8211; channel of output data.</li>
 <li><strong>num_channel</strong> (<em>int</em>) &#8211; channel of input data.</li>
 <li><strong>stride</strong> (<em>int</em>) &#8211; The x dimension of the stride.</li>
 <li><strong>stride_y</strong> (<em>int</em>) &#8211; The y dimension of the stride.</li>