diff --git a/src/FacebookAds/Object/BusinessDataAPI/Event.php b/src/FacebookAds/Object/BusinessDataAPI/Event.php
index 4453b9a84..82242036d 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/Event.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/Event.php
@@ -81,7 +81,7 @@ public function setEventId($event_id) {
 
   /**
    * Sets UserData object that contains user data.
-   * @param FacebookAds\Object\BusinessDataAPI\UserData $user_data
+   * @param \FacebookAds\Object\BusinessDataAPI\UserData $user_data
    * @return $this
    */
   public function setUserData($user_data) {
@@ -92,7 +92,7 @@ public function setUserData($user_data) {
 
   /**
    * Sets CustomData object that includes additional business data about the event.
-   * @param FacebookAds\Object\BusinessDataAPI\CustomData $custom_data
+   * @param \FacebookAds\Object\BusinessDataAPI\CustomData $custom_data
    * @return $this
    */
   public function setCustomData($custom_data) {
@@ -192,7 +192,7 @@ public function getEventId() {
 
   /**
    * Gets UserData object that contains user data
-   * @return FacebookAds\Object\BusinessDataAPI\UserData
+   * @return \FacebookAds\Object\BusinessDataAPI\UserData
    */
   public function getUserData() {
     return $this->container['user_data'];
@@ -200,7 +200,7 @@ public function getUserData() {
 
   /**
    * Gets customData object that includes additional business data about the event.
-   * @return FacebookAds\Object\BusinessDataAPI\CustomData
+   * @return \FacebookAds\Object\BusinessDataAPI\CustomData
    */
   public function getCustomData() {
     return $this->container['custom_data'];
diff --git a/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php b/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php
index 165846974..1e4acdeea 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php
@@ -53,7 +53,7 @@ public function __construct(string $page_id, array $data = null) {
 
   /**
    * Sets an array of Business Data Event objects
-   * @param FacebookAds\Object\BusinessDataAPI\Event[] $events An array of Business Data Event objects
+   * @param \FacebookAds\Object\BusinessDataAPI\Event[] $events An array of Business Data Event objects
    * @return $this
    */
   public function setEvents($events) {
@@ -113,7 +113,7 @@ public function toJson() {
 
   /**
    * Gets an array of Event objects
-   * @return FacebookAds\Object\BusinessDataAPI\Event[]
+   * @return \FacebookAds\Object\BusinessDataAPI\Event[]
    */
   public function getEvents() {
     return $this->container['events'];
diff --git a/src/FacebookAds/Object/ServerSide/Event.php b/src/FacebookAds/Object/ServerSide/Event.php
index ee22ac548..0be651d6c 100644
--- a/src/FacebookAds/Object/ServerSide/Event.php
+++ b/src/FacebookAds/Object/ServerSide/Event.php
@@ -243,7 +243,7 @@ public function setEventId($event_id) {
 
   /**
    * Sets UserData object that contains user data.
-   * @param FacebookAds\Object\ServerSide\UserData $user_data
+   * @param \FacebookAds\Object\ServerSide\UserData $user_data
    * @return $this
    */
   public function setUserData($user_data) {
@@ -254,7 +254,7 @@ public function setUserData($user_data) {
 
   /**
    * Sets CustomData object that includes additional business data about the event.
-   * @param FacebookAds\Object\ServerSide\CustomData $custom_data
+   * @param \FacebookAds\Object\ServerSide\CustomData $custom_data
    * @return $this
    */
   public function setCustomData($custom_data) {
@@ -434,7 +434,7 @@ public function getEventId() {
 
   /**
    * Gets UserData object that contains user data
-   * @return FacebookAds\Object\ServerSide\UserData
+   * @return \FacebookAds\Object\ServerSide\UserData
    */
   public function getUserData() {
     return $this->container['user_data'];
@@ -442,7 +442,7 @@ public function getUserData() {
 
   /**
    * Gets customData object that includes additional business data about the event.
-   * @return FacebookAds\Object\ServerSide\CustomData
+   * @return \FacebookAds\Object\ServerSide\CustomData
    */
   public function getCustomData() {
     return $this->container['custom_data'];
diff --git a/src/FacebookAds/Object/ServerSide/EventRequest.php b/src/FacebookAds/Object/ServerSide/EventRequest.php
index 725fc7ff2..4aad1ca84 100644
--- a/src/FacebookAds/Object/ServerSide/EventRequest.php
+++ b/src/FacebookAds/Object/ServerSide/EventRequest.php
@@ -155,7 +155,7 @@ public function valid() {
 
   /**
    * Sets an array of Server Event objects
-   * @param FacebookAds\Object\ServerSide\Event[] $events An array of Server Event objects
+   * @param \FacebookAds\Object\ServerSide\Event[] $events An array of Server Event objects
    * @return $this
    */
   public function setEvents($events) {
@@ -320,7 +320,7 @@ public function normalize() {
 
   /**
    * Gets an array of Server Event objects
-   * @return FacebookAds\Object\ServerSide\Event[]
+   * @return \FacebookAds\Object\ServerSide\Event[]
    */
   public function getEvents() {
     return $this->container['events'];
diff --git a/src/FacebookAds/Object/ServerSide/HttpServiceInterface.php b/src/FacebookAds/Object/ServerSide/HttpServiceInterface.php
index 9510ddc7d..44272292a 100644
--- a/src/FacebookAds/Object/ServerSide/HttpServiceInterface.php
+++ b/src/FacebookAds/Object/ServerSide/HttpServiceInterface.php
@@ -27,11 +27,11 @@
 interface HttpServiceInterface {
   /**
    * @param string $url The graph API endpoint that will be requested
-   * @param FacebookAds\Object\ServerSide\HttpMethod $method The HTTP request method
+   * @param \FacebookAds\Object\ServerSide\HttpMethod $method The HTTP request method
    * @param array $curl_options Contains curl options
    * @param array $headers Contains HTTP request headers including User-Agent and Accept-Encoding
    * @param array $params Contains request parameters including access_token, data, test_event_code, etc.
-   * @return FacebookAds\Object\ServerSide\EventResponse
+   * @return \FacebookAds\Object\ServerSide\EventResponse
    */
   public function executeRequest($url, $method, array $curl_options, array $headers, array $params);
 }
diff --git a/src/FacebookAds/Object/ServerSide/UserData.php b/src/FacebookAds/Object/ServerSide/UserData.php
index ba8ef8bee..ea21f3723 100644
--- a/src/FacebookAds/Object/ServerSide/UserData.php
+++ b/src/FacebookAds/Object/ServerSide/UserData.php
@@ -430,7 +430,7 @@ public function setPhones($phones) {
 
   /**
    * Sets Gender, in lowercase. Either f or m.
-   * @param FacebookAds\Object\ServerSide\Gender $gender Gender, in lowercase. Either f or m.
+   * @param \FacebookAds\Object\ServerSide\Gender $gender Gender, in lowercase. Either f or m.
    * @return $this
    */
   public function setGender($gender) {
@@ -442,7 +442,7 @@ public function setGender($gender) {
   /**
    * Sets a list of Genders, in lowercase.
    * <p>Example: array('f', 'm')
-   * @param FacebookAds\Object\ServerSide\Gender[] $genders A list of Genders, in lowercase.
+   * @param \FacebookAds\Object\ServerSide\Gender[] $genders A list of Genders, in lowercase.
    * @return $this
    */
   public function setGenders($genders) {
diff --git a/src/FacebookAds/Object/Signal/Event.php b/src/FacebookAds/Object/Signal/Event.php
index d5d1b97be..328081edd 100644
--- a/src/FacebookAds/Object/Signal/Event.php
+++ b/src/FacebookAds/Object/Signal/Event.php
@@ -99,7 +99,7 @@ public function setEventId($event_id) {
 
   /**
    * Sets UserData object that contains user data.
-   * @param FacebookAds\Object\Signal\UserData $user_data
+   * @param \FacebookAds\Object\Signal\UserData $user_data
    * @return $this
    */
   public function setUserData($user_data) {
@@ -111,7 +111,7 @@ public function setUserData($user_data) {
 
   /**
    * Sets CustomData object that includes additional business data about the event.
-   * @param FacebookAds\Object\Signal\CustomData $custom_data
+   * @param \FacebookAds\Object\Signal\CustomData $custom_data
    * @return $this
    */
   public function setCustomData($custom_data) {
diff --git a/src/FacebookAds/Object/Signal/EventRequest.php b/src/FacebookAds/Object/Signal/EventRequest.php
index fbe353e6e..2c8dc8123 100644
--- a/src/FacebookAds/Object/Signal/EventRequest.php
+++ b/src/FacebookAds/Object/Signal/EventRequest.php
@@ -75,7 +75,7 @@ public function __construct(string $pixel_id, string $page_id, array $data = nul
 
   /**
    * Sets an array of Signal Event objects
-   * @param FacebookAds\Object\Signal\Event[] $events An array of Signal Event objects
+   * @param \FacebookAds\Object\Signal\Event[] $events An array of Signal Event objects
    * @return $this
    */
   public function setEvents($events) {
diff --git a/src/FacebookAds/Object/Signal/UserData.php b/src/FacebookAds/Object/Signal/UserData.php
index 82c48cd09..aa6c9ca53 100644
--- a/src/FacebookAds/Object/Signal/UserData.php
+++ b/src/FacebookAds/Object/Signal/UserData.php
@@ -86,7 +86,7 @@ public function setPhone($phone) {
 
   /**
    * Sets Gender, in lowercase. Either f or m.
-   * @param FacebookAds\Object\ServerSide\Gender $gender Gender, in lowercase. Either f or m.
+   * @param \FacebookAds\Object\ServerSide\Gender $gender Gender, in lowercase. Either f or m.
    * @return $this
    */
   public function setGender($gender) {