diff --git a/reference/pdo_4d/dsn.xml b/reference/pdo_4d/dsn.xml
index 96c746d3aa..f0bc62bf79 100644
--- a/reference/pdo_4d/dsn.xml
+++ b/reference/pdo_4d/dsn.xml
@@ -36,6 +36,22 @@
         </para>
        </listitem>
       </varlistentry>
+      <varlistentry>
+       <term><constant>user</constant></term>
+       <listitem>
+        <para>
+         The login name when connecting to the database.
+        </para>
+       </listitem>
+      </varlistentry>
+      <varlistentry>
+       <term><constant>password</constant></term>
+       <listitem>
+        <para>
+         The password for the above login. 
+        </para>
+       </listitem>
+      </varlistentry>
       <varlistentry>
        <term><constant>dbname</constant></term>
        <listitem>
@@ -46,7 +62,7 @@
        </listitem>
       </varlistentry>
       <varlistentry>
-       <term><constant>chars_set</constant></term>
+       <term><constant>charsset</constant></term>
        <listitem>
         <para>
          The 4D character set.