Update rest-api.md

Author: tantialex

rest-api.md

@@ -143,7 +143,7 @@ Sample Payload below:
 
 ## Order Rate Limits
 * Every successful order response will contain a `X-MBX-ORDER-COUNT-(intervalNum)(intervalLetter)` header which has the current order count for the account for all order rate limiters defined.
-* When the order count exceeds the limit, you will receive a 429 error without the `Retry-After` header. Please check the Order Rate Limit rules using `GET api/v3/exchangeInfo` and wait for reactivation accordingly.
+* When the order count exceeds the limit, you will receive a 429 error without the `Retry-After` header. Please check the Order Rate Limit rules using `GET api/v3/rateLimit/order` and wait for reactivation accordingly.
 * Rejected/unsuccessful orders are not guaranteed to have `X-MBX-ORDER-COUNT-**` headers in the response.
 * **The order rate limit is counted against each account**.