Merge pull request #266522 from dlepow/patch-254

Update quota-by-key-policy.md

Author: prmerger-automator[bot]

articles/api-management/quota-by-key-policy.md

@@ -39,7 +39,7 @@ To understand the difference between rate limits and quotas, [see Rate limits an
 | calls               | The maximum total number of calls allowed during the time interval specified in the `renewal-period`. Policy expressions aren't allowed.    | Either `calls`, `bandwidth`, or both together must be specified. | N/A     |
 | counter-key         | The key to use for the `quota policy`. For each key value, a single counter is used for all scopes at which the policy is configured. Policy expressions are allowed.             | Yes                                                              | N/A     |
 | increment-condition | The Boolean expression specifying if the request should be counted towards the quota (`true`). Policy expressions are allowed.             | No                                                               | N/A     |
-| renewal-period      | The length in seconds of the fixed window after which the quota resets. The start of each period is calculated relative to `first-period-start`. When `renewal-period` is set to `0`, the period is set to infinite. Policy expressions aren't allowed.                                                  | Yes                                                              | N/A     |
+| renewal-period      | The length in seconds of the fixed window after which the quota resets. The start of each period is calculated relative to `first-period-start`. Minimum period: 300 seconds. When `renewal-period` is set to 0, the period is set to infinite. Policy expressions aren't allowed.                                                  | Yes                                                              | N/A     |
 | first-period-start      | The starting date and time for quota renewal periods, in the following format: `yyyy-MM-ddTHH:mm:ssZ` as specified by the ISO 8601 standard. Policy expressions aren't allowed.   | No                                                              | `0001-01-01T00:00:00Z`     |
 
 
@@ -75,4 +75,4 @@ For more information and examples of this policy, see [Advanced request throttli
 
 * [API Management access restriction policies](api-management-access-restriction-policies.md)
 
-[!INCLUDE [api-management-policy-ref-next-steps](../../includes/api-management-policy-ref-next-steps.md)]
+[!INCLUDE [api-management-policy-ref-next-steps](../../includes/api-management-policy-ref-next-steps.md)]