diff --git a/examples/interacting.html b/examples/interacting.html
index 82f4b0f..e2631a5 100644
--- a/examples/interacting.html
+++ b/examples/interacting.html
@@ -44,7 +44,7 @@ $(function () {
             display: 'none',
             top: y + 5,
             left: x + 5,
-            border: '1 px solid #fdd',
+            border: '1px solid #fdd',
             padding: '2px',
             'background-color': '#fee',
             opacity: 0.80