diff --git a/lib/simple_form/form_builder.rb b/lib/simple_form/form_builder.rb
index c4c5c1b4f..b117d675b 100644
--- a/lib/simple_form/form_builder.rb
+++ b/lib/simple_form/form_builder.rb
@@ -100,7 +100,7 @@ def initialize(*) #:nodoc:
     # == Priority
     #
     # Some inputs, as :time_zone and :country accepts a :priority option. If none is
-    # given SimpleForm.time_zone_priority and SimpleForm.country_priority are used respectivelly.
+    # given SimpleForm.time_zone_priority and SimpleForm.country_priority are used respectively.
     #
     def input(attribute_name, options={}, &block)
       options = @defaults.deep_dup.deep_merge(options) if @defaults