diff --git a/dynamic-routes-starter/lib/posts.js b/dynamic-routes-starter/lib/posts.js
index cdcc027..03af1cf 100644
--- a/dynamic-routes-starter/lib/posts.js
+++ b/dynamic-routes-starter/lib/posts.js
@@ -7,9 +7,9 @@ const postsDirectory = path.join(process.cwd(), 'posts')
 export function getSortedPostsData() {
   // Get file names under /posts
   const fileNames = fs.readdirSync(postsDirectory)
-  const allPostsData = fileNames.map(fileName => {
-    // Remove ".md" from file name to get slug
-    const slug = fileName.replace(/\.md$/, '')
+  const allPostsData = fileNames.map((fileName) => {
+    // Remove ".md" from file name to get id
+    const id = fileName.replace(/\.md$/, '')
 
     // Read markdown file as string
     const fullPath = path.join(postsDirectory, fileName)
@@ -18,10 +18,10 @@ export function getSortedPostsData() {
     // Use gray-matter to parse the post metadata section
     const { data } = matter(fileContents)
 
-    // Combine the data with the slug
+    // Combine the data with the id
     return {
-      slug,
-      ...data
+      id,
+      ...data,
     }
   })
   // Sort posts by date
diff --git a/dynamic-routes-starter/pages/index.js b/dynamic-routes-starter/pages/index.js
index f2dd00e..63a0257 100644
--- a/dynamic-routes-starter/pages/index.js
+++ b/dynamic-routes-starter/pages/index.js
@@ -24,11 +24,11 @@ const Home = ({ allPostsData }) => (
     <section className={`${utilStyles.headingMd} ${utilStyles.padding1px}`}>
       <h2 className={utilStyles.headingLg}>Blog</h2>
       <ul className={utilStyles.list}>
-        {allPostsData.map(({ slug, date, title }) => (
+        {allPostsData.map(({ id, date, title }) => (
           <li className={utilStyles.listItem}>
             {title}
             <br />
-            {slug}
+            {id}
             <br />
             {date}
           </li>
@@ -42,8 +42,8 @@ export async function getStaticProps() {
   const allPostsData = getSortedPostsData()
   return {
     props: {
-      allPostsData
-    }
+      allPostsData,
+    },
   }
 }