added L1 and L2 to doc limit of 24B

Author: farzad528

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

@@ -56,7 +56,7 @@ You might find some variation in maximum limits if your service happens to be pr
 
 ## Document limits 
 
-There are no longer any document limits per service in Azure Cognitive Search, however, there is a limit of approximately 24 billion documents per index on Basic, S1, S2, and S3 search services. For S3 HD, the limit is 2 billion documents per index. Each element of a complex collection counts as a separate document in terms of these limits.
+There are no longer any document limits per service in Azure Cognitive Search, however, there is a limit of approximately 24 billion documents per index on Basic, S1, S2, S3, L1, and L2 search services. For S3 HD, the limit is 2 billion documents per index. Each element of a complex collection counts as a separate document in terms of these limits.
 
 ### Document size limits per API call