diff --git a/reference/openssl/functions/openssl-x509-export-to-file.xml b/reference/openssl/functions/openssl-x509-export-to-file.xml
index e1fafd4a9d..df54cbdb51 100644
--- a/reference/openssl/functions/openssl-x509-export-to-file.xml
+++ b/reference/openssl/functions/openssl-x509-export-to-file.xml
@@ -12,7 +12,7 @@
    <type>bool</type><methodname>openssl_x509_export_to_file</methodname>
    <methodparam><type>mixed</type><parameter>x509</parameter></methodparam>
    <methodparam><type>string</type><parameter>outfilename</parameter></methodparam>
-   <methodparam choice="opt"><type>bool</type><parameter>notext</parameter></methodparam>
+   <methodparam choice="opt"><type>bool</type><parameter>notext</parameter><initializer>&true;</initializer></methodparam>
   </methodsynopsis>
   <para>
    <function>openssl_x509_export_to_file</function> stores