diff --git a/doc/common/section_getstart_image.xml b/doc/common/section_getstart_image.xml
index 20d87599f6..0c42f6e88e 100644
--- a/doc/common/section_getstart_image.xml
+++ b/doc/common/section_getstart_image.xml
@@ -16,6 +16,9 @@
           >glance-registry</systemitem>. Stores, processes, and
         retrieves metadata about images. Metadata includes items such
         as size and type.</para>
+          <note><title>Security note</title>
+          <para>The registry is a private internal service meant only for use
+          by the Image Service itself. Do not expose it to users.</para></note>
         </listitem>
         <listitem>
           <para>Database. Stores image metadata. You can choose your