diff --git a/docs/content/2.elements/3.button.md b/docs/content/2.elements/3.button.md
index 51a378d7..29c0f3c5 100644
--- a/docs/content/2.elements/3.button.md
+++ b/docs/content/2.elements/3.button.md
@@ -258,7 +258,7 @@ props:
   size: 'sm'
 ui:
   size:
-    xxs: ''
+    2xs: ''
     xs: ''
     sm: ''
     md: ''