diff --git a/libraries/botbuilder-ai/src/qnamaker-interfaces/qnamakerOptions.ts b/libraries/botbuilder-ai/src/qnamaker-interfaces/qnamakerOptions.ts
index 4aad7048cd..c67480dcb2 100644
--- a/libraries/botbuilder-ai/src/qnamaker-interfaces/qnamakerOptions.ts
+++ b/libraries/botbuilder-ai/src/qnamaker-interfaces/qnamakerOptions.ts
@@ -14,7 +14,7 @@ import { QnARequestContext } from './qnaRequestContext';
  */
 export interface QnAMakerOptions {
     /**
-     * (Optional) minimum score accepted.
+     * (Optional) The minimum score threshold, used to filter returned results. Values range from score of 0.0 to 1.0.
      *
      * @remarks
      * Defaults to "0.3".