diff --git a/reference/mongodb/configure.xml b/reference/mongodb/configure.xml
index b4cac64f44..de5c7de718 100644
--- a/reference/mongodb/configure.xml
+++ b/reference/mongodb/configure.xml
@@ -22,6 +22,19 @@ $ sudo pecl install mongodb
    </programlisting>
   </para>
 
+  <note>
+   <simpara>
+    Installing the driver via PECL will use bundled versions of
+    <link xlink:href="&url.mongodb.libbson;">libbson</link> and
+    <link xlink:href="&url.mongodb.libbson;">libmongoc</link> and rely on PHP to
+    find OpenSSL (i.e. <literal>PHP_SETUP_OPENSSL</literal>). If the build
+    process fails to find OpenSSL, check that the OpenSSL development package
+    (e.g. <literal>libssl-dev</literal>) and
+    <link xlink:href="&url.mongodb.wiki.pkg-config;">pkg-config</link> are both
+    installed.
+   </simpara>
+  </note>
+
   <para>
    Add the following line to your &php.ini; file:
    <programlisting role="ini">
@@ -100,6 +113,19 @@ $ sudo make install
    </programlisting>
   </para>
 
+  <note>
+   <simpara>
+    By default, the driver will use bundled versions of
+    <link xlink:href="&url.mongodb.libbson;">libbson</link> and
+    <link xlink:href="&url.mongodb.libbson;">libmongoc</link> and rely on PHP to
+    find OpenSSL (i.e. <literal>PHP_SETUP_OPENSSL</literal>). If the build
+    process fails to find OpenSSL, check that the OpenSSL development package
+    (e.g. <literal>libssl-dev</literal>) and
+    <link xlink:href="&url.mongodb.wiki.pkg-config;">pkg-config</link> are both
+    installed.
+   </simpara>
+  </note>
+
   <para>
    The last step will report where <filename>mongodb.so</filename> has been
    installed, similar to: