diff --git a/reference/opcache/configure.xml b/reference/opcache/configure.xml
index 28fea47613..28a740d032 100644
--- a/reference/opcache/configure.xml
+++ b/reference/opcache/configure.xml
@@ -20,10 +20,17 @@
   <title>PHP 5.5.0 and later</title>
 
   <para>
-   To use OPcache with PHP 5.5.0 or later, you must compile PHP with the
-   <option role="configure">--enable-opcache</option> option, then use the
+   By default, OPcache will be compiled as a shared extension. If you have
+   disabled the building of default extensions with
+   <option role="configure">--disable-all</option>, you must compile PHP with
+   the <option role="configure">--enable-opcache</option> option for OPcache
+   to be available.
+  </para>
+  
+  <para>
+   Once compiled, you can use the
    <link linkend="ini.zend-extension">zend_extension</link> configuration
-   directive to load the library at runtime. This can be done with
+   directive to load the OPcache extension into PHP. This can be done with
    <literal>zend_extension=/full/path/to/opcache.so</literal> on non-Windows
    platforms, and <literal>zend_extension=C:\path\to\php_opcache.dll</literal>
    on Windows.