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-rw-r--r--activerecord/lib/active_record/associations/builder/singular_association.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/builder/singular_association.rb b/activerecord/lib/active_record/associations/builder/singular_association.rb
index 42542f188e..58a9c8ff24 100644
--- a/activerecord/lib/active_record/associations/builder/singular_association.rb
+++ b/activerecord/lib/active_record/associations/builder/singular_association.rb
@@ -1,6 +1,6 @@
# This class is inherited by the has_one and belongs_to association classes
-module ActiveRecord::Associations::Builder
+module ActiveRecord::Associations::Builder # :nodoc:
class SingularAssociation < Association #:nodoc:
def self.valid_options(options)
super + [:dependent, :primary_key, :inverse_of, :required]