diff --git a/components/Navbar.tsx b/components/Navbar.tsx
index eb86042..c27c979 100644
--- a/components/Navbar.tsx
+++ b/components/Navbar.tsx
@@ -5,7 +5,12 @@ export const Navbar: FC = () => {
   return (
     <div className="flex h-[60px] border-b border-gray-300 py-2 px-8 items-center justify-between">
       <div className="font-bold text-2xl flex items-center">
-        <div className="ml-2">Paul Graham GPT</div>
+        <a
+          className="hover:opacity-50"
+          href="https://paul-graham-gpt.vercel.app"
+        >
+          Paul Graham GPT
+        </a>
       </div>
       <div>
         <a
diff --git a/utils/index.ts b/utils/index.ts
index bcaaa54..ae2650b 100644
--- a/utils/index.ts
+++ b/utils/index.ts
@@ -27,7 +27,7 @@ export const OpenAIStream = async (prompt: string, apiKey: string) => {
         }
       ],
       max_tokens: 150,
-      temperature: 0.2,
+      temperature: 0.0,
       stream: true
     })
   });