diff --git a/src/Config/Config.php b/src/Config/Config.php
index b49a63c..73766a8 100644
--- a/src/Config/Config.php
+++ b/src/Config/Config.php
@@ -160,7 +160,7 @@ class Config implements ArrayAccess, IteratorAggregate
     /**
      * Creates an iterator for the configuration options.
      *
-     * @return Traversable Array iterator over configuration
+     * @return \Traversable Array iterator over configuration
      */
     public function getIterator(): \Traversable
     {
diff --git a/src/Exception/MissingConfigurationException.php b/src/Exception/MissingConfigurationException.php
index 6ff82f8..6ccdeba 100644
--- a/src/Exception/MissingConfigurationException.php
+++ b/src/Exception/MissingConfigurationException.php
@@ -4,8 +4,6 @@ namespace Atlas\Exception;
 
 /**
  * Exception thrown when a required configuration value is missing.
- *
- * @extends \RuntimeException
  */
 class MissingConfigurationException extends \RuntimeException
 {
diff --git a/src/Exception/RouteNotFoundException.php b/src/Exception/RouteNotFoundException.php
index b128dcb..066dcae 100644
--- a/src/Exception/RouteNotFoundException.php
+++ b/src/Exception/RouteNotFoundException.php
@@ -7,8 +7,6 @@ namespace Atlas\Exception;
  *
  * This may occur during matching if no route corresponds to the request,
  * or during URL generation if the requested route name is not registered.
- *
- * @extends \RuntimeException
  */
 class RouteNotFoundException extends \RuntimeException
 {
diff --git a/src/Exception/RouteValidationException.php b/src/Exception/RouteValidationException.php
index 49ac8bd..cfb9b6e 100644
--- a/src/Exception/RouteValidationException.php
+++ b/src/Exception/RouteValidationException.php
@@ -4,8 +4,6 @@ namespace Atlas\Exception;
 
 /**
  * Exception thrown when route parameter validation fails.
- *
- * @extends \RuntimeException
  */
 class RouteValidationException extends \RuntimeException
 {
diff --git a/src/Router/RouteGroup.php b/src/Router/RouteGroup.php
index b289e35..102cbd2 100644
--- a/src/Router/RouteGroup.php
+++ b/src/Router/RouteGroup.php
@@ -4,8 +4,6 @@ namespace Atlas\Router;
 
 /**
  * Manages groupings of routes for prefix and middleware organization.
- *
- * @implements \IteratorAggregate<array-key, mixed>
  */
 class RouteGroup
 {
@@ -256,9 +254,11 @@ class RouteGroup
     }
 
     /**
-     * Gets all group options.
+     * Registers a module within the group.
      *
-     * @return array Group options configuration
+     * @param string|array $identifier The module identifier or array of identifiers
+     * @param string|null $prefix Optional URI prefix
+     * @return self
      */
     public function module(string|array $identifier, string|null $prefix = null): self
     {
@@ -285,7 +285,7 @@ class RouteGroup
     /**
      * @internal
      */
-    public function getConfig(): Config
+    public function getConfig(): \Atlas\Config\Config
     {
         return $this->router->getConfig();
     }