Update README.md

Author: raghavs046

Specialized Areas/Fix scripts/Cancel Struck Slack Conversations/README.md

@@ -1,4 +1,4 @@
 **Use Case**
 1. Sometimes due to network or connecton issue, users are not able to end the conversations using **restart** or **end** command from slack.
 2. This script will cancel the struck slack conversations, allowing the users to interaction with ServiceNow again through slack.
-3. The encoded Qyery device type specify the source of conversation.
+3. The encoded Query device type specify the source of conversation.