Fixed typo in intents (#3845)

The error codes show intent (singular) whilst the actual key is intents (plural)

Author: sebkuip

docs/topics/Gateway.md

@@ -316,9 +316,9 @@ Any [events not defined in an intent](#DOCS_TOPICS_GATEWAY/commands-and-events-g
 
 [Thread Members Update](#DOCS_TOPICS_GATEWAY/thread-members-update) by default only includes if the current user was added to or removed from a thread.  To receive these updates for other users, request the `GUILD_MEMBERS` [Gateway Intent](#DOCS_TOPICS_GATEWAY/gateway-intents).
 
-If you specify an `intent` value in your `IDENTIFY` payload that is *invalid*, the socket will close with a [`4013` close code](#DOCS_TOPICS_OPCODES_AND_STATUS_CODES/gateway-gateway-close-event-codes). An invalid intent is one that is not meaningful and not documented above.
+If you specify an `intents` value in your `IDENTIFY` payload that is *invalid*, the socket will close with a [`4013` close code](#DOCS_TOPICS_OPCODES_AND_STATUS_CODES/gateway-gateway-close-event-codes). An invalid intent is one that is not meaningful and not documented above.
 
-If you specify an `intent` value in your `IDENTIFY` payload that is *disallowed*, the socket will close with a [`4014` close code](#DOCS_TOPICS_OPCODES_AND_STATUS_CODES/gateway-gateway-close-event-codes). A disallowed intent is a privileged intent that has not been approved for your bot.
+If you specify an `intents` value in your `IDENTIFY` payload that is *disallowed*, the socket will close with a [`4014` close code](#DOCS_TOPICS_OPCODES_AND_STATUS_CODES/gateway-gateway-close-event-codes). A disallowed intent is a privileged intent that has not been approved for your bot.
 
 Bots in under 100 guilds can enable these intents in the bot tab of the developer dashboard. Verified bots can get access to privileged intents when getting verified, or by writing into support after getting verified.