Fix typo in documentation 'imagess'

Author: vboctor

Node/core/src/botbuilder.d.ts

@@ -1435,7 +1435,7 @@ export class ThumbnailCard implements IIsAttachment {
     toAttachment(): IAttachment;
 }
 
-/** Card builder class that simplifies building hero cards. Hero cards contain the same information as a thumbnail card, just with a larger more pronounced layout for the cards imagess. */
+/** Card builder class that simplifies building hero cards. Hero cards contain the same information as a thumbnail card, just with a larger more pronounced layout for the cards images. */
 export class HeroCard extends ThumbnailCard {
 
     /** 
@@ -2370,4 +2370,4 @@ export class BotConnectorBot extends Dialog {
 /** __DEPRECATED__ use [UniversalBot](/en-us/node/builder/chat-reference/classes/_botbuilder_d_.universalbot) and a [ConsoleConnector](/en-us/node/builder/chat-reference/classes/_botbuilder_d_.consoleconnector) instead. */
 export class TextBot extends Dialog {
     replyReceived(session: Session, recognizeResult?: IRecognizeResult): void;
-}
+}