diff --git a/docs/howto/serialize_poro.md b/docs/howto/serialize_poro.md
index 61696e86..20091c52 100644
--- a/docs/howto/serialize_poro.md
+++ b/docs/howto/serialize_poro.md
@@ -29,7 +29,7 @@ define and validate which methods ActiveModelSerializers expects to be implement
 
 An implementation of the complete spec is included either for use or as reference:
 [`ActiveModelSerializers::Model`](../../lib/active_model_serializers/model.rb).
-You can use in production code that will make your PORO a lot cleaner.  
+You can use in production code that will make your PORO a lot cleaner.
 
 The above code now becomes:
 
diff --git a/test/action_controller/namespace_lookup_test.rb b/test/action_controller/namespace_lookup_test.rb
index 7b6c20fb..b5c8f496 100644
--- a/test/action_controller/namespace_lookup_test.rb
+++ b/test/action_controller/namespace_lookup_test.rb
@@ -86,7 +86,7 @@ module ActionController
               book = Book.new(title: 'New Post', body: 'Body')
 
               # because this is a string, ruby can't auto-lookup the constant, so otherwise
-              # the looku things we mean ::Api::V2
+              # the lookup thinks we mean ::Api::V2
               render json: book, namespace: 'ActionController::Serialization::NamespaceLookupTest::Api::V2'
             end
 
@@ -94,7 +94,7 @@ module ActionController
               book = Book.new(title: 'New Post', body: 'Body')
 
               # because this is a string, ruby can't auto-lookup the constant, so otherwise
-              # the looku things we mean ::Api::V2
+              # the lookup thinks we mean ::Api::V2
               render json: book, namespace: :'ActionController::Serialization::NamespaceLookupTest::Api::V2'
             end