diff --git a/guides/source/4_2_release_notes.md b/guides/source/4_2_release_notes.md
index bace0b4c6c..a598c7c319 100644
--- a/guides/source/4_2_release_notes.md
+++ b/guides/source/4_2_release_notes.md
@@ -79,7 +79,7 @@ post.comments(true)  # uses cached pattern
 The caching is not used in the following scenarios:
 
 - The model has a default scope
-- The model uses single table inheritence to inherit from another model
+- The model uses single table inheritance to inherit from another model
 - `find` with a list of ids. eg:
 
   ```ruby