Removed a typo. (#3250)
Removed a typo. (#3250)

There was a typo in the code telling that you can also use dart language from the combo box while there was no docs for dart in combo-box.
angular/angular-cn,angular/angular-cn,IdeaBlade/angular.io,onyoon7/angular-ko,onyoon7/angular-ko,IdeaBlade/angular.io,onyoon7/angular-ko,angular/angular.io,onyoon7/angular-ko,chalin/angular.io,angular/angular-ko,IdeaBlade/angular.io,angular/angular.io,angular/angular-ko,angular/angular-ko,chalin/angular.io,IdeaBlade/angular.io,angular/angular-ko,chalin/angular.io,IdeaBlade/angular.io,chalin/angular.io,angular/angular.io,angular/angular-cn,onyoon7/angular-ko,angular/angular.io,angular/angular-cn,angular/angular-ko,chalin/angular.io,angular/angular.io,angular/angular-cn