diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index d4f079e346950d005a65cb6573d630b9135c7f4e..b806a2f832edba5b07b5e0b464953f653d66c511 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -149,7 +149,7 @@ class HasManyThroughNestedAssociationsAreReadonly < ThroughNestedAssociationsAre
   class HasOneThroughNestedAssociationsAreReadonly < ThroughNestedAssociationsAreReadonly #:nodoc:
   end
 
-  # This error is raised when trying to eager load a poloymorphic association using a JOIN.
+  # This error is raised when trying to eager load a polymorphic association using a JOIN.
   # Eager loading polymorphic associations is only possible with
   # {ActiveRecord::Relation#preload}[rdoc-ref:QueryMethods#preload].
   class EagerLoadPolymorphicError < ActiveRecordError