usually this is written like this 

```ruby
params.require(:blah).permit(
  :title,
  :date,
)
```
or like this:
```ruby
params.require(:blah).permit(:title,
                                                  :date)
```
but always align all the params/elements

for a good style guide: https://github.com/bbatsov/ruby-style-guide#source-code-layout