fix typo

1 files changed, 2 insertions, 2 deletions

diff --git a/railties/guides/source/nested_model_forms.textile b/railties/guides/source/nested_model_forms.textile
index 1d44da4df1..55694c0eb4 100644
--- a/railties/guides/source/nested_model_forms.textile
+++ b/railties/guides/source/nested_model_forms.textile
@@ -1,6 +1,6 @@
 h2. Rails nested model forms
 
-Creating a form for a model _and_ its associations can become quite tedious. Therefor Rails provides helpers to assist in dealing with the complexities of generating these forms _and_ the required CRUD operations to create, update, and destroy associations.
+Creating a form for a model _and_ its associations can become quite tedious. Therefore Rails provides helpers to assist in dealing with the complexities of generating these forms _and_ the required CRUD operations to create, update, and destroy associations.
 
 In this guide you will:
 
@@ -219,4 +219,4 @@ You can basically see the +projects_attributes+ hash as an array of attribute ha
 
 NOTE: The reason that +fields_for+ constructed a form which would result in a hash instead of an array is that it won't work for any forms nested deeper than one level deep.
 
-TIP: You _can_ however pass an array to the writer method generated by +accepts_nested_attributes_for+ if you're using plain Ruby or some other API access. See (TODO) for more info and example.
\ No newline at end of file
+TIP: You _can_ however pass an array to the writer method generated by +accepts_nested_attributes_for+ if you're using plain Ruby or some other API access. See (TODO) for more info and example.