diff --git a/reference/mongo/mongoclient.xml b/reference/mongo/mongoclient.xml
index 7b204d8ad8..9543b0aac6 100644
--- a/reference/mongo/mongoclient.xml
+++ b/reference/mongo/mongoclient.xml
@@ -69,33 +69,33 @@ $db = $m->foo; // get the database named "foo"
     </fieldsynopsis>
     <fieldsynopsis>
      <modifier>const</modifier>
-     <type>int</type>
+     <type>string</type>
      <varname linkend="mongoclient.constants.rpprimary">MongoClient::RP_PRIMARY</varname>
-     <initializer>0</initializer>
+     <initializer>"primary"</initializer>
     </fieldsynopsis>
     <fieldsynopsis>
      <modifier>const</modifier>
-     <type>int</type>
+     <type>string</type>
      <varname linkend="mongoclient.constants.rpprimarypreferred">MongoClient::RP_PRIMARY_PREFERRED</varname>
-     <initializer>1</initializer>
+     <initializer>"primaryPreferred"</initializer>
     </fieldsynopsis>
     <fieldsynopsis>
      <modifier>const</modifier>
-     <type>int</type>
+     <type>string</type>
      <varname linkend="mongoclient.constants.rpsecondary">MongoClient::RP_SECONDARY</varname>
-     <initializer>2</initializer>
+     <initializer>"secondary"</initializer>
     </fieldsynopsis>
     <fieldsynopsis>
      <modifier>const</modifier>
-     <type>int</type>
+     <type>string</type>
      <varname linkend="mongoclient.constants.rpsecondary">MongoClient::RP_SECONDARY_PREFERRED</varname>
-     <initializer>3</initializer>
+     <initializer>"secondaryPreferred"</initializer>
     </fieldsynopsis>
     <fieldsynopsis>
      <modifier>const</modifier>
-     <type>int</type>
+     <type>string</type>
      <varname linkend="mongoclient.constants.rpsecondary">MongoClient::RP_NEAREST</varname>
-     <initializer>4</initializer>
+     <initializer>"nearest"</initializer>
     </fieldsynopsis>
 
     <classsynopsisinfo role="comment">&Properties;</classsynopsisinfo>