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-rw-r--r--guides/source/association_basics.md11
1 files changed, 11 insertions, 0 deletions
diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md
index 8d203d265a..16a5241319 100644
--- a/guides/source/association_basics.md
+++ b/guides/source/association_basics.md
@@ -693,6 +693,17 @@ There are a few limitations to `inverse_of` support:
* They do not work with `:as` associations.
* For `belongs_to` associations, `has_many` inverse associations are ignored.
+Every association will attempt to automatically find the inverse association
+and set the `:inverse_of` option heuristically (based on the association name).
+Most associations with standard names will be supported. However, associations
+that contain the following options will not have their inverses set
+automatically:
+
+* :conditions
+* :through
+* :polymorphic
+* :foreign_key
+
Detailed Association Reference
------------------------------