diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.4/TextAnalytics.json b/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.4/TextAnalytics.json
index 095aded4d4d9..00d1a1a0301c 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.4/TextAnalytics.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.4/TextAnalytics.json
@@ -1827,9 +1827,9 @@
         "relationType": {
           "description": "Type of relation. Examples include: `DosageOfMedication` or 'FrequencyOfMedication', etc.",
           "type": "string",
-          "enum":[
+          "enum": [
             "Abbreviation",
-            "DirectionOfBodystructure",
+            "DirectionOfBodyStructure",
             "DirectionOfCondition",
             "DirectionOfExamination",
             "DirectionOfTreatment",
@@ -1853,7 +1853,7 @@
           "x-ms-enum": {
             "name": "relationType",
             "modelAsString": true
-         }
+          }
         },
         "entities": {
           "description": "The entities in the relation.",