diff --git a/guides/source/5_1_release_notes.md b/guides/source/5_1_release_notes.md
index d355e9836d..ec371afb15 100644
--- a/guides/source/5_1_release_notes.md
+++ b/guides/source/5_1_release_notes.md
@@ -258,7 +258,7 @@ switch to more explicit connection management.
 If your tests spawn threads and those threads interact while also using
 explicit database transactions, this change may introduce a deadlock.
 
-The easy way to opt out of this new behavior is to disable transactional
+The easy way to opt-out of this new behavior is to disable transactional
 tests on any test cases it affects.
 
 Railties
@@ -448,7 +448,7 @@ Please refer to the [Changelog][active-record] for detailed changes.
     `activerecord.errors.messages.restrict_dependent_destroy.many` i18n scopes.
     ([Commit](https://github.com/rails/rails/commit/00e3973a311))
 
-*   Removed deprecated force reload argument in singular and collection association readers.
+*   Removed deprecated force-reload argument in singular and collection association readers.
     ([Commit](https://github.com/rails/rails/commit/09cac8c67af))
 
 *   Removed deprecated support for passing a column to `#quote`.