diff --git a/Extras/Main-Image/README.md b/Extras/Main-Image/README.md
index 7f029651..a466a5d1 100644
--- a/Extras/Main-Image/README.md
+++ b/Extras/Main-Image/README.md
@@ -6,9 +6,11 @@
     <td width="320px">firefoxgx.main-image</td>
     <td width="50px">true</td></tr>
   </table>
-<li>You are forced to use an image with the same width and at least 150px bigger height of the resolution of your monitor for a perfect align, you can resize the image used by default in <code>chrome\newtab</code> (main-image-dark.png, main-image-light.png) to your preferences.</li><li>Is compatible with one-line config, left-sidebar config and tree-tabs config.</li></ul></br>
+<li>You are forced to use an image with at least the same width and height of the resolution of your monitor for a perfect align, if the image is smaller the image will not be align at all, the image used by default is in <code>chrome\newtab</code> called: <code>main-image-dark.png</code> and <code>main-image-light.png</code>.</li>
+<li>It will align only when Firefox is in maximized window</li>
+<li>Is compatible with one-line config, left-sidebar config and tree-tabs config.</li></ul></br>
 
-> <p><b>Notice:</b></br><ul><li>If you have active the bookmark-bar or the menu-bar, you will need to edit the line 72 from <code>chrome/components/ogx_root-personal.css</code> to set the correct number to align the image.</li></ul></p>
+> <p><b>Notice:</b></br><ul><li>If you have active the bookmark-bar or the menu-bar, you will need to edit the line 77 from <code>chrome/components/ogx_root-personal.css</code> to set the correct number to align the image.</li></ul></p>
 </br>
 
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