diff --git a/reference/mongo/ini.xml b/reference/mongo/ini.xml
index 3cfa9e9065..8756518b66 100644
--- a/reference/mongo/ini.xml
+++ b/reference/mongo/ini.xml
@@ -50,6 +50,11 @@
       <entry>27017</entry>
       <entry>PHP_INI_ALL</entry>
      </row>
+     <row>
+      <entry><link linkend="ini.mongo.is-master-interval">mongo.is_master_interval</link></entry>
+      <entry>60</entry>
+      <entry>PHP_INI_ALL</entry>
+     </row>
      <row>
       <entry><link linkend="ini.mongo.long-as-object">mongo.long_as_object</link></entry>
       <entry>false</entry>
@@ -60,6 +65,11 @@
       <entry>false<link linkend="ini.mongo.native-long">*</link></entry>
       <entry>PHP_INI_ALL</entry>
      </row>
+     <row>
+      <entry><link linkend="ini.mongo.ping-interval">mongo.ping_interval</link></entry>
+      <entry>5</entry>
+      <entry>PHP_INI_ALL</entry>
+     </row>
      <row>
       <entry><link linkend="ini.mongo.utf8">mongo.utf8</link></entry>
       <entry>"1"</entry>
@@ -199,6 +209,24 @@ $query = array( "i" => array( ":gt" => 20, ":lte" => 30 ) );
     </listitem>
    </varlistentry>
   
+   <varlistentry xml:id="ini.mongo.is-master-interval">
+    <term>
+     <parameter>mongo.is_master_interval</parameter>
+     <type>int</type>
+    </term>
+    <listitem>
+     <para>
+      Added in version 1.2.10.
+     </para>
+     <para>
+      For replicaset connections: The minimum interval with which the driver
+      will send "isMaster" requests to the MongoDB server. If the value is lower,
+      there will be more requests, but the driver finds faster whether the
+      topology of the replicaset has been changed.
+     </para>
+    </listitem>
+   </varlistentry>  
+
    <varlistentry xml:id="ini.mongo.long-as-object">
     <term>
      <parameter>mongo.long_as_object</parameter>
@@ -253,6 +281,24 @@ $query = array( "i" => array( ":gt" => 20, ":lte" => 30 ) );
     </listitem>
    </varlistentry>
 
+   <varlistentry xml:id="ini.mongo.ping-interval">
+    <term>
+     <parameter>mongo.ping_interval</parameter>
+     <type>int</type>
+    </term>
+    <listitem>
+     <para>
+      Added in version 1.2.10.
+     </para>
+     <para>
+      For replicaset connections: The minimum interval with which the driver
+      will send "ping" requests to the MongoDB server. If the value is lower,
+      there will be more pings, but the driver finds faster whether a node is
+      no longer reachable from the replicaset.
+     </para>
+    </listitem>
+   </varlistentry>  
+
    <varlistentry xml:id="ini.mongo.utf8">
     <term>
      <parameter>mongo.utf8</parameter>