diff --git a/activesupport/lib/active_support/core_ext/module/aliasing.rb b/activesupport/lib/active_support/core_ext/module/aliasing.rb
index ccc4b0db3a..4a04bdd446 100644
--- a/activesupport/lib/active_support/core_ext/module/aliasing.rb
+++ b/activesupport/lib/active_support/core_ext/module/aliasing.rb
@@ -65,7 +65,7 @@ class Module
   #   e.subject = "Megastars"
   #   e.title    # => "Megastars"
   def alias_attribute(new_name, old_name)
-    # The following reader methods use an explicit `self` receiver in otder to
+    # The following reader methods use an explicit `self` receiver in order to
     # support aliases that start with an uppercase letter. Otherwise, they would
     # be resolved as constants instead.
     module_eval <<-STR, __FILE__, __LINE__ + 1