diff --git a/core/src/components/button/usage/javascript.md b/core/src/components/button/usage/javascript.md
index 622177a569..bf83a28c86 100644
--- a/core/src/components/button/usage/javascript.md
+++ b/core/src/components/button/usage/javascript.md
@@ -25,12 +25,12 @@
 <ion-button expand="block">Block Button</ion-button>
 
 <!-- Round -->
-<ion-button round>Round Button</ion-button>
+<ion-button shape="round">Round Button</ion-button>
 
 <!-- Fill -->
 <ion-button expand="full" fill="outline">Outline + Full</ion-button>
 <ion-button expand="block" fill="outline">Outline + Block</ion-button>
-<ion-button round fill="outline">Outline + Round</ion-button>
+<ion-button shape="round" fill="outline">Outline + Round</ion-button>
 
 <!-- Icons -->
 <ion-button>
@@ -51,4 +51,4 @@
 <ion-button size="large">Large</ion-button>
 <ion-button>Default</ion-button>
 <ion-button size="small">Small</ion-button>
-```
\ No newline at end of file
+```