diff --git a/README.md b/README.md
index 21847ed..0356c58 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # fullstackopen
-My repository for submit excersises for Full Stack Web Developemnt Course at Fullstackopen.com
+My repository for submit exercises for Full Stack Web Developemnt Course at Fullstackopen.com
diff --git a/part1/1.1-1.3/src/App.js b/part1/1.1-1.3/src/App.js
index f2b3d85..f963678 100644
--- a/part1/1.1-1.3/src/App.js
+++ b/part1/1.1-1.3/src/App.js
@@ -1,35 +1,45 @@
 import React from 'react'
 
 const App = () => {
-  const course = 'Half Stack application development'
-  const part1 = 'Fundamentals of React'
-  const exercises1 = 10
-  const part2 = 'Using props to pass data'
-  const exercises2 = 7
-  const part3 = 'State of a component'
-  const exercises3 = 14
+  const course = {
+    name: 'Half Stack application development',
+    parts: [
+      {
+        name: 'Fundamentals of React',
+        exercises: 10
+      },
+      {
+        name: 'Using props to pass data',
+        exercises: 7
+      },
+      {
+        name: 'State of a component',
+        exercises: 14
+      }
+    ]
+  }
 
   return (
     <div>
       <Header course={course} />
-      <Content part={[part1,part2,part3]} exercises={[exercises1, exercises2, exercises3]} />
-      <Total exercises={[exercises1, exercises2, exercises3]} />
+      <Content part={course.parts} />
+      <Total part={course.parts} />
     </div>
   )
 }
 
 const Header = (props) => {
   return (
-    <h1>{props.course}</h1>
+    <h1>{props.course.name}</h1>
   )
 }
 
 const Content = (props) => {
   return (
     <div>
-      <Part part={props.part[0]} exercises={props.exercises[0]} />
-      <Part part={props.part[2]} exercises={props.exercises[1]} />
-      <Part part={props.part[2]} exercises={props.exercises[2]} />
+      <Part part={props.part[0]} />
+      <Part part={props.part[1]} />
+      <Part part={props.part[2]} />
     </div>
    
   )
@@ -37,14 +47,13 @@ const Content = (props) => {
 
 const Part = (props) => {
   return (
-    <p>{props.part} {props.exercises}</p>
+    <p>{props.part.name} {props.part.exercises}</p>
   )
 }
 
 const Total = (props) => {
   return (
-    <p>Number of exercises {props.exercises[0] + props.exercises[1] + props.exercises[2]}</p>
-    //<p>1</p>
+    <p>Number of exercises {props.part[0].exercises + props.part[1].exercises + props.part[2].exercises}</p>
   )
 }