diff --git a/lib/commercetools-api/src/Models/Cart/Cart.php b/lib/commercetools-api/src/Models/Cart/Cart.php
index b7c7832a368..cc814217943 100644
--- a/lib/commercetools-api/src/Models/Cart/Cart.php
+++ b/lib/commercetools-api/src/Models/Cart/Cart.php
@@ -371,7 +371,7 @@ public function getPaymentInfo();
     public function getCountry();
 
     /**
-     * <p>Languages of the Cart. Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
 
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Cart/CartBuilder.php b/lib/commercetools-api/src/Models/Cart/CartBuilder.php
index fbe7ab9c6ce..038c768be65 100644
--- a/lib/commercetools-api/src/Models/Cart/CartBuilder.php
+++ b/lib/commercetools-api/src/Models/Cart/CartBuilder.php
@@ -746,7 +746,7 @@ public function getCountry()
     }
 
     /**
-     * <p>Languages of the Cart. Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
 
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Cart/CartDraft.php b/lib/commercetools-api/src/Models/Cart/CartDraft.php
index f9e565f476b..924d6fb31f9 100644
--- a/lib/commercetools-api/src/Models/Cart/CartDraft.php
+++ b/lib/commercetools-api/src/Models/Cart/CartDraft.php
@@ -275,7 +275,7 @@ public function getDiscountCodes();
     public function getCountry();
 
     /**
-     * <p>Languages of the Cart. Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
 
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Cart/CartDraftBuilder.php b/lib/commercetools-api/src/Models/Cart/CartDraftBuilder.php
index 8bbc281ed31..1087097c230 100644
--- a/lib/commercetools-api/src/Models/Cart/CartDraftBuilder.php
+++ b/lib/commercetools-api/src/Models/Cart/CartDraftBuilder.php
@@ -515,7 +515,7 @@ public function getCountry()
     }
 
     /**
-     * <p>Languages of the Cart. Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
 
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Cart/CartDraftModel.php b/lib/commercetools-api/src/Models/Cart/CartDraftModel.php
index 108597e450d..bf3c418f34f 100644
--- a/lib/commercetools-api/src/Models/Cart/CartDraftModel.php
+++ b/lib/commercetools-api/src/Models/Cart/CartDraftModel.php
@@ -824,7 +824,7 @@ public function getCountry()
     }
 
     /**
-     * <p>Languages of the Cart. Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
      *
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Cart/CartModel.php b/lib/commercetools-api/src/Models/Cart/CartModel.php
index f7dbca9b7bc..fe319ed8283 100644
--- a/lib/commercetools-api/src/Models/Cart/CartModel.php
+++ b/lib/commercetools-api/src/Models/Cart/CartModel.php
@@ -1206,7 +1206,7 @@ public function getCountry()
     }
 
     /**
-     * <p>Languages of the Cart. Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
      *
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Me/MyCartDraft.php b/lib/commercetools-api/src/Models/Me/MyCartDraft.php
index 8a74b5ffb90..2830bec11df 100644
--- a/lib/commercetools-api/src/Models/Me/MyCartDraft.php
+++ b/lib/commercetools-api/src/Models/Me/MyCartDraft.php
@@ -156,8 +156,7 @@ public function getDiscountCodes();
     public function getCountry();
 
     /**
-     * <p>Languages of the Cart.
-     * Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
 
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Me/MyCartDraftBuilder.php b/lib/commercetools-api/src/Models/Me/MyCartDraftBuilder.php
index 2a2786e904a..ffc4288d2e9 100644
--- a/lib/commercetools-api/src/Models/Me/MyCartDraftBuilder.php
+++ b/lib/commercetools-api/src/Models/Me/MyCartDraftBuilder.php
@@ -294,8 +294,7 @@ public function getCountry()
     }
 
     /**
-     * <p>Languages of the Cart.
-     * Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
 
      * @return null|string
diff --git a/lib/commercetools-api/src/Models/Me/MyCartDraftModel.php b/lib/commercetools-api/src/Models/Me/MyCartDraftModel.php
index e574853fcf3..242cc200ae2 100644
--- a/lib/commercetools-api/src/Models/Me/MyCartDraftModel.php
+++ b/lib/commercetools-api/src/Models/Me/MyCartDraftModel.php
@@ -466,8 +466,7 @@ public function getCountry()
     }
 
     /**
-     * <p>Languages of the Cart.
-     * Can only contain languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
+     * <p>Language of the Cart. Must be one of the languages supported by the <a href="ctp:api:type:Project">Project</a>.</p>
      *
      *
      * @return null|string
diff --git a/references.txt b/references.txt
index 5149affa030..db8bf733fd7 100644
--- a/references.txt
+++ b/references.txt
@@ -493,3 +493,4 @@ cb9cca64ecfb31885e7b9fb0ad52a9954b990ed9
 291e2569b7c0e4f1db3bb99761c7b23e0cc1659f
 b6d7def74db12344b0e0821407b45a3f214b8bd9
 f8b027c8e1b5ba61ace3d3d358b9efc7ad4b93eb
+63488aa919cebb6a9a606b287cd525eb7c588e99