Updated requests per second and minute

Changesd100 requests per minute to 100 requests per second and added 1000 requests per minute (as per https://azure.microsoft.com/en-us/pricing/details/cognitive-services/)

Author: ashly1yeo

articles/cognitive-services/text-analytics/how-tos/text-analytics-how-to-entity-linking.md

@@ -103,7 +103,7 @@ Details on request definition can be found in [How to call the Text Analytics AP
 
 ## Step 2: Post the request
 
-Analysis is performed upon receipt of the request. The service accepts up to 100 requests per minute. Each request can be a maximum of 1 MB.
+Analysis is performed upon receipt of the request. The service accepts up to 100 requests per second and 1000 requests per minute. Each request can be a maximum of 1 MB.
 
 Recall that the service is stateless. No data is stored in your account. Results are returned immediately in the response.