diff --git a/src/Illuminate/Concurrency/ConcurrencyManager.php b/src/Illuminate/Concurrency/ConcurrencyManager.php
index 1f97a0e992c4..8eafdb1f2868 100644
--- a/src/Illuminate/Concurrency/ConcurrencyManager.php
+++ b/src/Illuminate/Concurrency/ConcurrencyManager.php
@@ -28,6 +28,8 @@ public function driver($name = null)
      *
      * @param  array  $config
      * @return \Illuminate\Concurrency\ProcessDriver
+     *
+     * @throws \Illuminate\Contracts\Container\BindingResolutionException
      */
     public function createProcessDriver(array $config)
     {
diff --git a/src/Illuminate/Concurrency/ForkDriver.php b/src/Illuminate/Concurrency/ForkDriver.php
index 4460449c78e4..7ec6a0d14029 100644
--- a/src/Illuminate/Concurrency/ForkDriver.php
+++ b/src/Illuminate/Concurrency/ForkDriver.php
@@ -14,6 +14,9 @@ class ForkDriver implements Driver
 {
     /**
      * Run the given tasks concurrently and return an array containing the results.
+     *
+     * @param  Closure|array  $tasks
+     * @return array
      */
     public function run(Closure|array $tasks): array
     {
@@ -30,6 +33,9 @@ public function run(Closure|array $tasks): array
 
     /**
      * Start the given tasks in the background after the current task has finished.
+     *
+     * @param  Closure|array  $tasks
+     * @return \Illuminate\Support\Defer\DeferredCallback
      */
     public function defer(Closure|array $tasks): DeferredCallback
     {
diff --git a/src/Illuminate/Concurrency/ProcessDriver.php b/src/Illuminate/Concurrency/ProcessDriver.php
index ed2ffe651e1d..741aeb4ee42f 100644
--- a/src/Illuminate/Concurrency/ProcessDriver.php
+++ b/src/Illuminate/Concurrency/ProcessDriver.php
@@ -18,6 +18,9 @@ class ProcessDriver implements Driver
 {
     /**
      * Create a new process based concurrency driver.
+     *
+     * @param  ProcessFactory  $processFactory
+     * @return void
      */
     public function __construct(protected ProcessFactory $processFactory)
     {
@@ -26,6 +29,9 @@ public function __construct(protected ProcessFactory $processFactory)
 
     /**
      * Run the given tasks concurrently and return an array containing the results.
+     *
+     * @param  Closure|array  $tasks
+     * @return array
      */
     public function run(Closure|array $tasks): array
     {
@@ -58,6 +64,9 @@ public function run(Closure|array $tasks): array
 
     /**
      * Start the given tasks in the background after the current task has finished.
+     *
+     * @param  Closure|array  $tasks
+     * @return \Illuminate\Support\Defer\DeferredCallback
      */
     public function defer(Closure|array $tasks): DeferredCallback
     {
diff --git a/src/Illuminate/Concurrency/SyncDriver.php b/src/Illuminate/Concurrency/SyncDriver.php
index a2f27bae54a8..d229ada33900 100644
--- a/src/Illuminate/Concurrency/SyncDriver.php
+++ b/src/Illuminate/Concurrency/SyncDriver.php
@@ -13,6 +13,9 @@ class SyncDriver implements Driver
 {
     /**
      * Run the given tasks concurrently and return an array containing the results.
+     *
+     * @param  Closure|array  $tasks
+     * @return array
      */
     public function run(Closure|array $tasks): array
     {
@@ -23,6 +26,9 @@ public function run(Closure|array $tasks): array
 
     /**
      * Start the given tasks in the background after the current task has finished.
+     *
+     * @param  Closure|array  $tasks
+     * @return \Illuminate\Support\Defer\DeferredCallback
      */
     public function defer(Closure|array $tasks): DeferredCallback
     {