Fix typo a -> an, an -> a [ci skip]

2 files changed, 2 insertions, 2 deletions

diff --git a/guides/source/action_controller_overview.md b/guides/source/action_controller_overview.md
index aa746e4731..d0d84251e4 100644
--- a/guides/source/action_controller_overview.md
+++ b/guides/source/action_controller_overview.md
@@ -212,7 +212,7 @@ class PeopleController < ActionController::Base
   end
 
   # This will pass with flying colors as long as there's a person key
-  # in the parameters, otherwise it'll raise a
+  # in the parameters, otherwise it'll raise an
   # ActionController::ParameterMissing exception, which will get
   # caught by ActionController::Base and turned into a 400 Bad
   # Request error.
diff --git a/guides/source/asset_pipeline.md b/guides/source/asset_pipeline.md
index e7faa5c330..9f8edea598 100644
--- a/guides/source/asset_pipeline.md
+++ b/guides/source/asset_pipeline.md
@@ -745,7 +745,7 @@ mapping requests back to Sprockets. A typical manifest file looks like:
 The default location for the manifest is the root of the location specified in
 `config.assets.prefix` ('/assets' by default).
 
-NOTE: If there are missing precompiled files in production you will get an
+NOTE: If there are missing precompiled files in production you will get a
 `Sprockets::Helpers::RailsHelper::AssetPaths::AssetNotPrecompiledError`
 exception indicating the name of the missing file(s).