uac: added note about default value for reg_db_url

diff --git a/src/modules/uac/doc/uac_admin.xml b/src/modules/uac/doc/uac_admin.xml
index e6ba5a2..020df01 100644 (file)
--- a/src/modules/uac/doc/uac_admin.xml
+++ b/src/modules/uac/doc/uac_admin.xml
@@ -10,7 +10,7 @@
 <!-- Module User's Guide -->
 
 <chapter>
-       
+
        <title>&adminguide;</title>
 
 
@@ -358,10 +358,10 @@ modparam("uac","auth_username_avp","$avp(i:11)")
                        to perform authentication.
                        </para>
                        <para><emphasis>
-                               If you define it, you also need to define 
-                               <quote>auth_password_avp</quote> 
-                               (<xref linkend="uac.p.auth-password-avp-id"/>) and 
-                               <quote>auth_username_avp</quote> 
+                               If you define it, you also need to define
+                               <quote>auth_password_avp</quote>
+                               (<xref linkend="uac.p.auth-password-avp-id"/>) and
+                               <quote>auth_username_avp</quote>
                                (<xref linkend="uac.p.auth-password-avp-id"/>).
                        </emphasis></para>
                        <example>
@@ -376,8 +376,10 @@ modparam("uac","auth_password_avp","$avp(i:12)")
                <section id="uac.p.reg-db-url-id">
                        <title><varname>reg_db_url</varname> (string)</title>
                        <para>
-                       DB URL to fetch account profiles for registration.
+                       DB URL to fetch account profiles for registration. This parameter
+                       must be set in order to enable remote registrations feature.
                        </para>
+                       <para>The default value is "" (no value).</para>
                        <example>
                                <title>Set <varname>reg_db_url</varname> parameter</title>
                                <programlisting format="linespecific">
@@ -392,14 +394,14 @@ modparam("uac", "reg_db_url",
                <section id="uac.p.reg-timer-interval-id">
                        <title><varname>reg_timer_interval</varname> (string)</title>
                        <para>
-                       Timer interval (in seconds) at which registrations are managed, e.g. renewed as needed.  
+                       Timer interval (in seconds) at which registrations are managed, e.g. renewed as needed.
                        </para>
                        <para>
                                <emphasis>
                                The default value is 90 seconds.
                                </emphasis>
                        </para>
-                       
+
                        <example>
                                <title>Set <varname>reg_timer_interval</varname> parameter</title>
                                <programlisting format="linespecific">