diff --git a/app/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatters.scala b/app/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatters.scala
index 471feb9..f277f61 100644
--- a/app/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatters.scala
+++ b/app/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatters.scala
@@ -42,7 +42,8 @@ trait JsonFormatters extends SharedJsonFormatters {
     (JsPath \ "name").read[String] and
       (JsPath \ "description").read[String] and
       ((JsPath \ "hint").read[String] or Reads.pure("")) and
-      (JsPath \ "type").read[FieldDefinitionType]
+      (JsPath \ "type").read[FieldDefinitionType] and
+      ((JsPath \ "shortDescription").read[String] or Reads.pure(""))
   )(FieldDefinition.apply _)
   val fieldDefinitionWrites = Json.writes[FieldDefinition]
   implicit val FieldDefinitionJF = Format(fieldDefinitionReads, fieldDefinitionWrites)
diff --git a/app/uk/gov/hmrc/apisubscriptionfields/model/Model.scala b/app/uk/gov/hmrc/apisubscriptionfields/model/Model.scala
index c6bd0eb..b283860 100644
--- a/app/uk/gov/hmrc/apisubscriptionfields/model/Model.scala
+++ b/app/uk/gov/hmrc/apisubscriptionfields/model/Model.scala
@@ -36,4 +36,4 @@ object FieldDefinitionType extends Enumeration {
   val STRING = Value("STRING")
 }
 
-case class FieldDefinition(name: String, description: String, hint: String = "", `type`: FieldDefinitionType)
+case class FieldDefinition(name: String, description: String, hint: String = "", `type`: FieldDefinitionType, shortDescription: String)
diff --git a/run_all_tests.sh b/run_all_tests.sh
index d93dcfc..f32bb10 100755
--- a/run_all_tests.sh
+++ b/run_all_tests.sh
@@ -1,3 +1,4 @@
 #!/usr/bin/env bash
 
+export SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxMetaspaceSize=1G"
 sbt clean coverage test acceptance:test coverageReport
diff --git a/test/uk/gov/hmrc/apisubscriptionfields/TestData.scala b/test/uk/gov/hmrc/apisubscriptionfields/TestData.scala
index 2ce5a54..0b1da1f 100644
--- a/test/uk/gov/hmrc/apisubscriptionfields/TestData.scala
+++ b/test/uk/gov/hmrc/apisubscriptionfields/TestData.scala
@@ -64,9 +64,9 @@ trait SubscriptionFieldsTestData extends TestData {
 }
 
 trait FieldsDefinitionTestData extends TestData {
-  final val FakeFieldDefinitionUrl = FieldDefinition("name1", "desc1", "hint1", FieldDefinitionType.URL)
-  final val FakeFieldDefinitionString = FieldDefinition("name2", "desc2", "hint2", FieldDefinitionType.STRING)
-  final val FakeFieldDefinitionSecureToken = FieldDefinition("name3", "desc3", "hint3", FieldDefinitionType.SECURE_TOKEN)
+  final val FakeFieldDefinitionUrl = FieldDefinition("name1", "desc1", "hint1", FieldDefinitionType.URL, "short description")
+  final val FakeFieldDefinitionString = FieldDefinition("name2", "desc2", "hint2", FieldDefinitionType.STRING, "short description")
+  final val FakeFieldDefinitionSecureToken = FieldDefinition("name3", "desc3", "hint3", FieldDefinitionType.SECURE_TOKEN, "short description")
   final val FakeFieldsDefinitions = Seq(FakeFieldDefinitionUrl, FakeFieldDefinitionString, FakeFieldDefinitionSecureToken)
   final val FakeFieldsDefinition = FieldsDefinition(fakeRawContext, fakeRawVersion, FakeFieldsDefinitions)
   final val FakeFieldsDefinitionResponse = FieldsDefinitionResponse(fakeRawContext, fakeRawVersion, FakeFieldsDefinition.fieldDefinitions)
diff --git a/test/uk/gov/hmrc/apisubscriptionfields/controller/FieldsDefinitionControllerGetSpec.scala b/test/uk/gov/hmrc/apisubscriptionfields/controller/FieldsDefinitionControllerGetSpec.scala
index 8bfbcc0..fb8faae 100644
--- a/test/uk/gov/hmrc/apisubscriptionfields/controller/FieldsDefinitionControllerGetSpec.scala
+++ b/test/uk/gov/hmrc/apisubscriptionfields/controller/FieldsDefinitionControllerGetSpec.scala
@@ -41,13 +41,15 @@ class FieldsDefinitionControllerGetSpec extends UnitSpec with FieldsDefinitionTe
       |       "name": "callback-url",
       |       "description": "Callback URL",
       |       "hint": "Description Hint",
-      |       "type": "URL"
+      |       "type": "URL",
+      |       "shortDescription": "short desc"
       |     },
       |     {
       |       "name": "token",
       |       "description": "Secure Token",
       |       "hint": "Description Hint",
-      |       "type": "SecureToken"
+      |       "type": "SecureToken",
+      |       "shortDescription": ""
       |     }
       |   ]
       |}""".stripMargin
@@ -65,13 +67,15 @@ class FieldsDefinitionControllerGetSpec extends UnitSpec with FieldsDefinitionTe
       |          "name": "callback-url",
       |          "description": "Callback URL",
       |          "hint": "Description Hint",
-      |          "type": "URL"
+      |          "type": "URL",
+      |          "shortDescription": "short desc"
       |        },
       |        {
       |          "name": "token",
       |          "description": "Secure Token",
       |          "hint": "Description Hint",
-      |          "type": "SecureToken"
+      |          "type": "SecureToken",
+      |          "shortDescription": ""
       |        }
       |      ]
       |    },
@@ -83,13 +87,15 @@ class FieldsDefinitionControllerGetSpec extends UnitSpec with FieldsDefinitionTe
       |          "name": "address",
       |          "description": "where you live",
       |          "hint": "Description Hint",
-      |          "type": "STRING"
+      |          "type": "STRING",
+      |          "shortDescription": ""
       |        },
       |        {
       |          "name": "number",
       |          "description": "telephone number",
       |          "hint": "Description Hint",
-      |          "type": "STRING"
+      |          "type": "STRING",
+      |          "shortDescription": ""
       |        }
       |      ]
       |    }
diff --git a/test/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatterSpec.scala b/test/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatterSpec.scala
index 11720f5..7524f4b 100644
--- a/test/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatterSpec.scala
+++ b/test/uk/gov/hmrc/apisubscriptionfields/model/JsonFormatterSpec.scala
@@ -37,7 +37,8 @@ class JsonFormatterSpec extends WordSpec
   private def objectAsJsonString[A](a:A)(implicit t: Writes[A]) = Json.asciiStringify(Json.toJson(a))
 
   private val subscriptionFieldJson = s"""{"clientId":"$fakeRawClientId","apiContext":"$fakeRawContext","apiVersion":"$fakeRawVersion","fieldsId":"$FakeRawFieldsId","fields":{"f1":"v1"}}"""
-  private val fieldDefinitionJson = s"""{"apiContext":"$fakeRawContext","apiVersion":"$fakeRawVersion","fieldDefinitions":[{"name":"name1","description":"desc1","hint":"hint1","type":"URL"}]}"""
+  private val fieldDefinitionJson =
+    s"""{"apiContext":"$fakeRawContext","apiVersion":"$fakeRawVersion","fieldDefinitions":[{"name":"name1","description":"desc1","hint":"hint1","type":"URL","shortDescription":"short description"}]}"""
 
   "SubscriptionFieldsResponse" should {
     "marshal json" in {
diff --git a/test/uk/gov/hmrc/apisubscriptionfields/repository/MongoFormattersSpec.scala b/test/uk/gov/hmrc/apisubscriptionfields/repository/MongoFormattersSpec.scala
index e2df446..dde763a 100644
--- a/test/uk/gov/hmrc/apisubscriptionfields/repository/MongoFormattersSpec.scala
+++ b/test/uk/gov/hmrc/apisubscriptionfields/repository/MongoFormattersSpec.scala
@@ -23,13 +23,19 @@ import uk.gov.hmrc.play.test.UnitSpec
 class MongoFormattersSpec extends UnitSpec with JsonFormatters {
   "Field definition formatter" should {
     "Correctly unmarshall a JSON field definition with all the necessary fields" in {
-      val fieldDefinition = FieldDefinition("name", "description", "hint", FieldDefinitionType.STRING)
-      Json.fromJson[FieldDefinition](Json.parse("""{ "name" : "name", "description" : "description", "hint": "hint", "type" : "STRING" }""")) shouldBe JsSuccess(fieldDefinition)
+      val fieldDefinition = FieldDefinition("name", "description", "hint", FieldDefinitionType.STRING, "short description")
+      Json.fromJson[FieldDefinition](Json.parse("""{ "name" : "name", "description" : "description", "hint": "hint", "type" : "STRING", "shortDescription" : "short description"}""")) shouldBe JsSuccess(fieldDefinition)
     }
 
     "Correctly unmarshall a JSON field definition without the hint field" in {
-      val fieldDefinition = FieldDefinition("name", "description", "", FieldDefinitionType.STRING)
-      Json.fromJson[FieldDefinition](Json.parse("""{ "name" : "name", "description" : "description", "type" : "STRING" }""")) shouldBe JsSuccess(fieldDefinition)
+      val fieldDefinition = FieldDefinition("name", "description", "", FieldDefinitionType.STRING, "short description")
+      Json.fromJson[FieldDefinition](Json.parse("""{ "name" : "name", "description" : "description", "type" : "STRING", "shortDescription" : "short description"}""")) shouldBe JsSuccess(fieldDefinition)
     }
+
+    "Correctly unmarshall a JSON field definition without the shortDescription field" in {
+      val fieldDefinition = FieldDefinition("name", "description", "hint", FieldDefinitionType.STRING, "")
+      Json.fromJson[FieldDefinition](Json.parse("""{ "name" : "name", "description" : "description", "hint": "hint", "type" : "STRING"}""")) shouldBe JsSuccess(fieldDefinition)
+    }
+
   }
 }