diff --git a/README.md b/README.md
index a1f224b..86265c6 100644
--- a/README.md
+++ b/README.md
@@ -424,14 +424,14 @@ See [example](http://troolee.github.io/gridstack.js/demo/knockout.html).
**Notes:** It's very important to exclude training spaces after widget template:
```
- template:
- [
- '
',
- '
',
- ' ....',
- '
', // <-- NO SPACE **AFTER**
- ' ' // <-- NO SPACE **BEFORE**
- ].join('') // <-- JOIN WITH **EMPTY** STRING
+template:
+ [
+ '',
+ '
',
+ ' ....',
+ '
', // <-- NO SPACE **AFTER**
+ ' ' // <-- NO SPACE **BEFORE**
+ ].join('') // <-- JOIN WITH **EMPTY** STRING
```
Otherwise `addDisposeCallback` won't work.