fixing comma and adding scope of limit

Author: ishansrivastava90

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

@@ -62,7 +62,7 @@ To determine whether your service has document limits, check the Usage tile in t
 
   ![Usage tile](media/search-limits-quotas-capacity/portal-usage-tile.png)
 
-<sup>1</sup> Even though there aren't any SKU specific document limits, every index is still subject to a maximum safe limit to ensure stability of the service. This limit comes from Lucene. Every Azure Search document is internally indexed as one or more Lucene documents. The number of Lucene documents per Azure search document depends on the total number of elements in complex collection fields. Each element is indexed as a separate Lucene document. For example, a document with 3 elements in a complex collection field, will be indexed as 4 Lucene documents - 1 for the document itself and 3 for the elements. The maximum number of Lucene documents that can be indexed, is roughly 25 billion.
+<sup>1</sup> Even though there aren't any SKU specific document limits, every index is still subject to a maximum safe limit to ensure stability of the service. This limit comes from Lucene. Every Azure Search document is internally indexed as one or more Lucene documents. The number of Lucene documents per Azure search document depends on the total number of elements in complex collection fields. Each element is indexed as a separate Lucene document. For example, a document with 3 elements in a complex collection field, will be indexed as 4 Lucene documents - 1 for the document itself and 3 for the elements. The maximum number of Lucene documents is roughly 25 billion per index.
 
 ### Regions previously having document limits