diff --git a/en-US/dita/RTC-NG/API/class_advanceoptions.dita b/en-US/dita/RTC-NG/API/class_advanceoptions.dita
index 3cf02ad43c8..cd50cebaafe 100644
--- a/en-US/dita/RTC-NG/API/class_advanceoptions.dita
+++ b/en-US/dita/RTC-NG/API/class_advanceoptions.dita
@@ -129,8 +129,8 @@ struct FAdvanceOptions {
                 <plentry>
                     <pt>encodeAlpha</pt>
                     <pd>Whether to encode and send the Alpha data present in the video frame to the remote end:<ul>
-                        <li><codeph><ph keyref="true"/></codeph>: Encode and send Alpha data.</li>
-                        <li><codeph><ph keyref="false"/></codeph>: (Default) Do not encode and send Alpha data.</li>
+                        <li><codeph><ph keyref="true"/>: Encode and send Alpha data.</codeph></li>
+                        <li><codeph><ph keyref="false"/>: (Default) Do not encode and send Alpha data.</codeph></li>
                         </ul></pd>
                 </plentry>
             </parml> </section>