diff --git a/reference/uodbc/functions/odbc-binmode.xml b/reference/uodbc/functions/odbc-binmode.xml
index 1cc2e42b33..9f554688f2 100644
--- a/reference/uodbc/functions/odbc-binmode.xml
+++ b/reference/uodbc/functions/odbc-binmode.xml
@@ -16,6 +16,8 @@
    Enables handling of binary column data. ODBC SQL types affected are
    <literal>BINARY</literal>, <literal>VARBINARY</literal>, and
    <literal>LONGVARBINARY</literal>.
+   The default mode can be set using the
+   <link linkend="ini.uodbc.defaultbinmode">uodbc.defaultbinmode</link> &php.ini; directive.
   </para>
   <para>
    When binary SQL data is converted to character C data, each byte
diff --git a/reference/uodbc/functions/odbc-longreadlen.xml b/reference/uodbc/functions/odbc-longreadlen.xml
index 1a4142bf2c..4e9ac92b5c 100644
--- a/reference/uodbc/functions/odbc-longreadlen.xml
+++ b/reference/uodbc/functions/odbc-longreadlen.xml
@@ -14,6 +14,8 @@
   </methodsynopsis>
   <para>
    Enables handling of LONG and LONGVARBINARY columns.
+   The default length can be set using the
+   <link linkend="ini.uodbc.defaultlrl">uodbc.defaultlrl</link> &php.ini; directive.
   </para>
  </refsect1>
  <refsect1 role="parameters">
diff --git a/reference/uodbc/ini.xml b/reference/uodbc/ini.xml
index 2f9670f989..aab6631c1e 100644
--- a/reference/uodbc/ini.xml
+++ b/reference/uodbc/ini.xml
@@ -190,6 +190,7 @@
     <para>
      Handling of LONG fields. Specifies the number of bytes returned to
      variables.
+     See <function>odbc_longreadlen</function> for details.
     </para>
 
     &ini.shorthandbytes;
@@ -205,6 +206,7 @@
    <listitem>
     <para>
      Handling of binary data.
+     See <function>odbc_binmode</function> for details.
     </para>
    </listitem>
   </varlistentry>