diff --git a/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.1/TextAnalytics.json b/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.1/TextAnalytics.json
index 48e12d063e6d..0ff15eff3ba9 100644
--- a/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.1/TextAnalytics.json
+++ b/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.1/TextAnalytics.json
@@ -770,14 +770,14 @@
         },
         "aspects": {
           "type": "array",
-          "description": "(Optional) The array of aspect object for the sentence.",
+          "description": "The array of aspect object for the sentence.",
           "items": {
             "$ref": "#/definitions/SentenceAspect"
           }
         },
         "opinions": {
           "type": "array",
-          "description": "(Optional) The array of opinion object for the sentence.",
+          "description": "The array of opinion object for the sentence.",
           "items": {
             "$ref": "#/definitions/SentenceOpinion"
           }