new typo error

Author: xavidop

README.md

@@ -127,7 +127,7 @@ docker push xavidop/alexa-ask-aws-cli
 Currently there are the versions available:
 * 1.0: this image is running the latest version of ASK CLI v1 (1.7.23)
 * 2.0: this image is running the latest version of ASK CLI v2 (2.13.0)
-  * 2.12.0: this image is running the 2.13.0 version of ASK CLI
+  * 2.12.0: this image is running the 2.12.0 version of ASK CLI
   * 2.13.0: this image is running the 2.13.0 version of ASK CLI
 * latest: this image is running the latest version of ASK CLI (2.13.0)