diff --git a/app/code/Magento/Webapi/Model/Config/ClassReflector.php b/app/code/Magento/Webapi/Model/Config/ClassReflector.php
index 51878ad2d0940a8b991908c5e79457ee20a84972..e734ff1ef40ca4bc098f03d9525be3fad63f6cd8 100644
--- a/app/code/Magento/Webapi/Model/Config/ClassReflector.php
+++ b/app/code/Magento/Webapi/Model/Config/ClassReflector.php
@@ -6,6 +6,7 @@ namespace Magento\Webapi\Model\Config;
 
 use Zend\Server\Reflection;
 use Zend\Server\Reflection\ReflectionMethod;
+use Zend\Code\Reflection\MethodReflection;
 
 /**
  * Class reflector.
@@ -84,7 +85,7 @@ class ClassReflector
      */
     public function extractMethodData(ReflectionMethod $method)
     {
-        $methodData = ['documentation' => $method->getDescription(), 'interface' => []];
+        $methodData = ['documentation' => $this->extractMethodDescription($method), 'interface' => []];
         $prototypes = $method->getPrototypes();
         /** Take the fullest interface that also includes optional parameters. */
         /** @var \Zend\Server\Reflection\Prototype $prototype */
@@ -111,4 +112,22 @@ class ClassReflector
 
         return $methodData;
     }
+
+    /**
+     * Retrieve method full documentation description.
+     *
+     * @param ReflectionMethod $method
+     * @return string
+     */
+    protected function extractMethodDescription(ReflectionMethod $method)
+    {
+        $methodReflection = new MethodReflection(
+            $method->getDeclaringClass()->getName(),
+            $method->getName()
+        );
+
+        $docBlock = $methodReflection->getDocBlock();
+
+        return $this->_typeProcessor->getDescription($docBlock);
+    }
 }
diff --git a/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/ClassReflectorTest.php b/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/ClassReflectorTest.php
index 30fdab7a8ccdc3841d89167a02f17f5838d08cff..498df37e372c3550fc957759b153d050ae2af8c0 100644
--- a/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/ClassReflectorTest.php
+++ b/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/ClassReflectorTest.php
@@ -66,7 +66,9 @@ class ClassReflectorTest extends \PHPUnit_Framework_TestCase
     protected function _getSampleReflectionData()
     {
         return [
-            'documentation' => 'Basic random string generator',
+            'documentation' =>
+                'Basic random string generator. This line is short description '.
+                'This line is long description. This is still the long description.',
             'interface' => [
                 'in' => [
                     'parameters' => [
diff --git a/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/TestServiceForClassReflector.php b/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/TestServiceForClassReflector.php
index f3f25ccb5f4a0b586a75481da0acf7a6a43f5567..cce8322bdafeac9b3fb818537d96d7590ec096f2 100644
--- a/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/TestServiceForClassReflector.php
+++ b/dev/tests/unit/testsuite/Magento/Webapi/Model/Config/TestServiceForClassReflector.php
@@ -7,7 +7,10 @@ namespace Magento\Webapi\Model\Config;
 class TestServiceForClassReflector
 {
     /**
-     * Basic random string generator
+     * Basic random string generator. This line is short description
+     * This line is long description.
+     *
+     * This is still the long description.
      *
      * @param int $length length of the random string
      * @return string random string
diff --git a/lib/internal/Magento/Framework/Reflection/TypeProcessor.php b/lib/internal/Magento/Framework/Reflection/TypeProcessor.php
index 901eded854db02ecca7352a62281b0c2f523de00..8756180f16b5b1a3250bb04b7acce6f496380d25 100644
--- a/lib/internal/Magento/Framework/Reflection/TypeProcessor.php
+++ b/lib/internal/Magento/Framework/Reflection/TypeProcessor.php
@@ -157,7 +157,7 @@ class TypeProcessor
             }
             $reflection = new ClassReflection($class);
             $docBlock = $reflection->getDocBlock();
-            $this->_types[$typeName]['documentation'] = $docBlock ? $this->_getDescription($docBlock) : '';
+            $this->_types[$typeName]['documentation'] = $docBlock ? $this->getDescription($docBlock) : '';
             /** @var \Zend\Code\Reflection\MethodReflection $methodReflection */
             foreach ($reflection->getMethods(\ReflectionMethod::IS_PUBLIC) as $methodReflection) {
                 if ($methodReflection->class === "Magento\Framework\Model\AbstractModel") {
@@ -200,7 +200,7 @@ class TypeProcessor
      * @param \Zend\Code\Reflection\DocBlockReflection $doc
      * @return string
      */
-    protected function _getDescription(\Zend\Code\Reflection\DocBlockReflection $doc)
+    public function getDescription(\Zend\Code\Reflection\DocBlockReflection $doc)
     {
         $shortDescription = $doc->getShortDescription();
         $longDescription = $doc->getLongDescription();