Small doc improvements

lib/simple_form/components.rb

@@ -1,10 +1,10 @@
 module SimpleForm
   # Components are a special type of helpers that can work on their own.
   # For example, by using a component, it will automatically change the
-  # output under given circunstences without user input. For example,
+  # output under given circumstances without user input. For example,
   # the disabled helper always need a :disabled => true option given
   # to the input in order to be enabled. On the other hand, things like
-  # hint can generate output automatically by doing I18n lookups.
+  # hints can generate output automatically by doing I18n lookups.
   module Components
     autoload :Errors,       'simple_form/components/errors'
     autoload :Hints,        'simple_form/components/hints'

lib/simple_form/helpers/autofocus.rb

@@ -2,6 +2,7 @@ module SimpleForm
   module Helpers
     module Autofocus
       private
+
       def has_autofocus?
         options[:autofocus] == true
       end

lib/simple_form/helpers/required.rb

@@ -24,7 +24,7 @@ module SimpleForm
       end
 
       # Do not use has_required? because we want to add the class
-      # regardless of the
+      # regardless of the required option.
       def required_class
         required_field? ? :required : :optional
       end