diff --git a/reference/image/functions/getimagesize.xml b/reference/image/functions/getimagesize.xml
index d5e98f22f5..c953d47819 100644
--- a/reference/image/functions/getimagesize.xml
+++ b/reference/image/functions/getimagesize.xml
@@ -23,6 +23,19 @@
    <function>getimagesize</function> can also return some more information
    in <parameter>imageinfo</parameter> parameter.
   </para>
+  <caution>
+   <para>
+    This function expects <parameter>filename</parameter> to be a valid
+    image file. If a non-image file is supplied, it may be incorrectly
+    detected as an image and the function will return successfully, but
+    the array may contain nonsentical values.
+   </para>
+   <para>
+    Do not use <function>getimagesize</function> to check that a given
+    file is a valid image. Use a purpose-built solution such as the
+    <link linkend="book.fileinfo">Fileinfo</link> extension instead.
+   </para>
+  </caution>
   <note>
    <simpara>
     Note that JPC and JP2 are capable of having components with different 
@@ -279,18 +292,6 @@ if (isset($info["APP13"])) {
  <refsect1 role="notes">
   &reftitle.notes;
   &note.gd.notrequired;
-  <note>
-   <para>
-    This function expects <parameter>filename</parameter> to be a valid
-    image file. If a non-image file is supplied, it may be incorrectly
-    detected as an image and the function will return successfully.
-   </para>
-   <para>
-    Do not use <function>getimagesize</function> to check that a given
-    file is a valid image. Use a purpose-built solution such as the
-    <link linkend="book.fileinfo">Fileinfo</link> extension instead.
-   </para>
-  </note>
  </refsect1>
  
  <refsect1 role="seealso">