fix alias doc

Author: mattgotteiner

articles/search/search-limits-quotas-capacity.md

@@ -166,11 +166,14 @@ Maximum number of synonym maps varies by tier. Each rule can have up to 20 expan
 
 ## Index alias limits
 
-Maximum number of [index aliases](search-how-to-alias.md) varies by tier. In all tiers, the maximum number of aliases is double the maximum number of indexes allowed.
+Maximum number of [index aliases](search-how-to-alias.md) varies by tier and [service creation date](vector-search-index-size.md#how-to-check-service-creation-date). In all tiers, the maximum number of aliases is double the maximum number of indexes allowed.
 
-| Resource | Free | Basic | S1 | S2 | S3 | S3-HD |L1 | L2 |
+| Service Creation Date | Free | Basic | S1 | S2 | S3 | S3-HD |L1 | L2 |
 |----------|------|-------|----|----|----|-------|----|----|
-| Maximum aliases |6 |10 or 30 |100 |400 |400 |2000 per partition or 6000 per service |20 |20 |
+| Before October 2022 | 3 | 5 or 15 <sup>1</sup> | 50 | 200 | 200 | 1000 per partition or 3000 per service | 10 | 10 |
+| After October 2022 | 6 | 30 | 100 | 400 | 400 | 2000 per partition or 6000 per service | 20 | 20 |
+
+<sup>1</sup> Basic services created before December 2017 have lower limits (5 instead of 15) on indexes
 
 ## Data limits (AI enrichment)