diff --git a/posts/from-github-pages-to-aws.html b/posts/from-github-pages-to-aws.html
index 9813166..37505d2 100644
--- a/posts/from-github-pages-to-aws.html
+++ b/posts/from-github-pages-to-aws.html
@@ -103,7 +103,7 @@
               browser.
             </li>
             <li>
-              GoDaddy&apos; s DNS servers are queried, which translating the
+              GoDaddy&apos;s DNS servers are queried, which translating the
               domain name to my Route53&apos;s IP address.
             </li>
             <li>
@@ -122,8 +122,7 @@
             <img
               width="50%"
               src="../public/website-design.webp"
-              alt="system design of my portfolio
-          website"
+              alt="system design of my portfolio website"
             />
           </div>
           <h2>difficulties</h2>
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 0000000..bc7a977
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,4 @@
+User-agent: *
+Disallow: /public/signifier/
+Disallow: /wip.html
+Allow: /