Update README.md

fixed simple typo in earlier

Author: luceos

README.md

@@ -15,7 +15,7 @@ By default it supports Bootstrap 3.
 For laravel 4 version check [laravel4-form-builder](https://github.com/kristijanhusak/laravel4-form-builder)
 
 ## Upgrade to 1.6
-If you upgraded to `>1.6.*` from `1.5.*` or eariler, and having problems with form value binding, rename `default_value` to `value`.
+If you upgraded to `>1.6.*` from `1.5.*` or earlier, and having problems with form value binding, rename `default_value` to `value`.
 
 More info in [changelog](https://github.com/kristijanhusak/laravel-form-builder/blob/master/CHANGELOG.md)