diff --git a/bin/auto-sync.txt b/bin/auto-sync.txt
index bf8742fe..72dbe849 100644
--- a/bin/auto-sync.txt
+++ b/bin/auto-sync.txt
@@ -49,6 +49,7 @@ markdown
 matching-brackets
 matrix
 meetup
+nth-prime
 micro-blog
 nucleotide-count
 ocr-numbers
diff --git a/exercises/practice/nth-prime/.docs/instructions.md b/exercises/practice/nth-prime/.docs/instructions.md
index 30a75216..065e323a 100644
--- a/exercises/practice/nth-prime/.docs/instructions.md
+++ b/exercises/practice/nth-prime/.docs/instructions.md
@@ -2,8 +2,6 @@
 
 Given a number n, determine what the nth prime is.
 
-By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that
-the 6th prime is 13.
+By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
 
-If your language provides methods in the standard library to deal with prime
-numbers, pretend they don't exist and implement them yourself.
+If your language provides methods in the standard library to deal with prime numbers, pretend they don't exist and implement them yourself.
diff --git a/exercises/practice/nth-prime/.meta/config.json b/exercises/practice/nth-prime/.meta/config.json
index 0b44d248..0ae4fb01 100644
--- a/exercises/practice/nth-prime/.meta/config.json
+++ b/exercises/practice/nth-prime/.meta/config.json
@@ -7,7 +7,8 @@
     "kunicmarko20",
     "kytrinyx",
     "petemcfarlane",
-    "yisraeldov"
+    "yisraeldov",
+    "Narkunan"
   ],
   "files": {
     "solution": [
diff --git a/exercises/practice/nth-prime/.meta/example.php b/exercises/practice/nth-prime/.meta/example.php
index 17d2c8fc..3d3508e7 100644
--- a/exercises/practice/nth-prime/.meta/example.php
+++ b/exercises/practice/nth-prime/.meta/example.php
@@ -1,33 +1,11 @@
 <?php
 
-/*
- * By adding type hints and enabling strict type checking, code can become
- * easier to read, self-documenting and reduce the number of potential bugs.
- * By default, type declarations are non-strict, which means they will attempt
- * to change the original type to match the type specified by the
- * type-declaration.
- *
- * In other words, if you pass a string to a function requiring a float,
- * it will attempt to convert the string value to a float.
- *
- * To enable strict mode, a single declare directive must be placed at the top
- * of the file.
- * This means that the strictness of typing is configured on a per-file basis.
- * This directive not only affects the type declarations of parameters, but also
- * a function's return type.
- *
- * For more info review the Concept on strict type checking in the PHP track
- * <link>.
- *
- * To disable strict typing, comment out the directive below.
- */
-
 declare(strict_types=1);
 
 function prime($count)
 {
     if ($count < 1) {
-        return false;
+        throw new Exception('there is no zeroth prime');
     }
     $primes = [];
     $i = 2;
diff --git a/exercises/practice/nth-prime/NthPrimeTest.php b/exercises/practice/nth-prime/NthPrimeTest.php
index c9f1f9f4..b318e325 100644
--- a/exercises/practice/nth-prime/NthPrimeTest.php
+++ b/exercises/practice/nth-prime/NthPrimeTest.php
@@ -1,29 +1,8 @@
 <?php
 
-/*
- * By adding type hints and enabling strict type checking, code can become
- * easier to read, self-documenting and reduce the number of potential bugs.
- * By default, type declarations are non-strict, which means they will attempt
- * to change the original type to match the type specified by the
- * type-declaration.
- *
- * In other words, if you pass a string to a function requiring a float,
- * it will attempt to convert the string value to a float.
- *
- * To enable strict mode, a single declare directive must be placed at the top
- * of the file.
- * This means that the strictness of typing is configured on a per-file basis.
- * This directive not only affects the type declarations of parameters, but also
- * a function's return type.
- *
- * For more info review the Concept on strict type checking in the PHP track
- * <link>.
- *
- * To disable strict typing, comment out the directive below.
- */
-
 declare(strict_types=1);
 
+use PHPUnit\Framework\Attributes\TestDox;
 use PHPUnit\Framework\TestCase;
 
 class NthPrimeTest extends TestCase
@@ -33,24 +12,40 @@ public static function setUpBeforeClass(): void
         require_once 'NthPrime.php';
     }
 
+    /** uuid: 75c65189-8aef-471a-81de-0a90c728160c */
+    #[TestDox('first prime')]
     public function testFirstPrime(): void
     {
         $this->assertEquals(2, prime(1));
     }
+
+    /** uuid: 2c38804c-295f-4701-b728-56dea34fd1a0 */
+    #[TestDox('second prime')]
     public function testSecondPrime(): void
     {
         $this->assertEquals(3, prime(2));
     }
+
+    /** uuid: 56692534-781e-4e8c-b1f9-3e82c1640259 */
+    #[TestDox('sixth prime')]
     public function testSixthPrime(): void
     {
         $this->assertEquals(13, prime(6));
     }
+
+    /** uuid: fce1e979-0edb-412d-93aa-2c744e8f50ff */
+    #[TestDox('big prime')]
     public function testBigPrime(): void
     {
         $this->assertEquals(104743, prime(10001));
     }
+
+    /** uuid: bd0a9eae-6df7-485b-a144-80e13c7d55b2 */
+    #[TestDox('there is no zeroth prime')]
     public function testZeroPrime(): void
     {
-        $this->assertEquals(false, prime(0));
+        $this->expectException(Exception::class);
+        $this->expectExceptionMessage('there is no zeroth prime');
+        prime(0);
     }
 }