diff --git a/lib/annotate_rb/model_annotator/foreign_key_annotation/annotation.rb b/lib/annotate_rb/model_annotator/foreign_key_annotation/annotation.rb
index cacb0c48..c9ef3a00 100644
--- a/lib/annotate_rb/model_annotator/foreign_key_annotation/annotation.rb
+++ b/lib/annotate_rb/model_annotator/foreign_key_annotation/annotation.rb
@@ -26,6 +26,10 @@ def to_markdown
         def to_default
           body.map(&:to_default).join("\n")
         end
+
+        def to_yard
+          body.map(:&to_yard).join("\n")
+        end
       end
     end
   end
diff --git a/lib/annotate_rb/model_annotator/index_annotation/annotation.rb b/lib/annotate_rb/model_annotator/index_annotation/annotation.rb
index c735782b..24fecfec 100644
--- a/lib/annotate_rb/model_annotator/index_annotation/annotation.rb
+++ b/lib/annotate_rb/model_annotator/index_annotation/annotation.rb
@@ -26,6 +26,10 @@ def to_markdown
         def to_default
           body.map(&:to_default).join("\n")
         end
+
+        def to_yard
+          body.map(:&to_yard).join("\n")
+        end
       end
     end
   end