diff --git a/04_Day_Components/04_components.md b/04_Day_Components/04_components.md
index 0f9c268..ffe8747 100644
--- a/04_Day_Components/04_components.md
+++ b/04_Day_Components/04_components.md
@@ -39,7 +39,7 @@ A React component is a small, reusable code, which is responsible for one part o
 Components can be:
 
 - Functional Component / Presentational Component / Stateless Component / Dumb Component
-- Class Component / Container Component/ Statefull Component / Smart Component
+- Class Component / Container Component/ Stateful Component / Smart Component
 
 The classification of components above does not work for the latest version of React, but it is good to know the former definition and how the previous versions work.
 
diff --git a/13_Day_Controlled_Versus_Uncontrolled_Input/13_uncontrolled_input.md b/13_Day_Controlled_Versus_Uncontrolled_Input/13_uncontrolled_input.md
index f9149db..9b9f7cd 100644
--- a/13_Day_Controlled_Versus_Uncontrolled_Input/13_uncontrolled_input.md
+++ b/13_Day_Controlled_Versus_Uncontrolled_Input/13_uncontrolled_input.md
@@ -18,13 +18,13 @@
 
 ![30 Days of React banner](../images/30_days_of_react_banner_day_13.jpg)
 
-- [Uncotrolled Components](#uncotrolled-components)
+- [Uncontrolled Components](#uncontrolled-components)
   - [Getting data from an uncontrolled input](#getting-data-from-an-uncontrolled-input)
   - [Getting multiple input data from form](#getting-multiple-input-data-from-form)
 - [Exercises](#exercises)
   - [Exercises: Level 1](#exercises-level-1)
 
-# Uncotrolled Components
+# Uncontrolled Components
 
 In the previous day challenge we have covered controlled inputs. In react most of the time we use controlled inputs as recommended on the official [documentation of React](https://reactjs.org/docs/uncontrolled-components.html).