diff --git a/reference/mongo/mongodb/execute.xml b/reference/mongo/mongodb/execute.xml
index c2dab25269..aa2422b655 100644
--- a/reference/mongo/mongodb/execute.xml
+++ b/reference/mongo/mongodb/execute.xml
@@ -14,6 +14,12 @@
    <methodparam><type>mixed</type><parameter>code</parameter></methodparam>
    <methodparam choice="opt"><type>array</type><parameter>args</parameter><initializer>array()</initializer></methodparam>
   </methodsynopsis>
+  <warning>
+   <para>
+    The <link xlink:href="&url.mongodb.docs.command;eval/">eval</link> command,
+    which this method invokes, is deprecated in MongoDB 3.0+.
+   </para>
+  </warning>
   <para>
    The Mongo database server runs a JavaScript engine.  This method allows you
    to run arbitary JavaScript on the database.  This can be useful if you want