diff --git a/docs/en/atom/atomic.md b/docs/en/atom/atomic.md
index f4fc3afe..cad41e3f 100644
--- a/docs/en/atom/atomic.md
+++ b/docs/en/atom/atomic.md
@@ -58,7 +58,7 @@
         </tr>
         <tr>
             <td>Product Size</td>
-            <td>24*24*17mm</td>
+            <td>24*24*18mm</td>
         </tr>
         <tr>
             <td>Package Size</td>