Fixing some grammar

docs/reference/search/aggregations/bucket/reverse-nested-aggregation.asciidoc

@@ -14,7 +14,7 @@ The `reverse_nested` aggregation must be defined inside a `nested` aggregation.
 which means that it joins back to the root / main document level. The path cannot contain a reference to
 a nested object field that falls outside the `nested` aggregation's nested structure a `reverse_nested` is in.
 
-For example, lets say we have an index for a ticket system which issues and comments. The comments are inlined into
+For example, lets say we have an index for a ticket system with issues and comments. The comments are inlined into
 the issue documents as nested documents. The mapping could look like:
 
 [source,js]
@@ -40,7 +40,7 @@ the issue documents as nested documents. The mapping could look like:
 <1> The `comments` is an array that holds nested documents under the `issue` object.
 
 The following aggregations will return the top commenters' username that have commented and per top commenter the top
-tags that issues have the commenter has commented to:
+tags of the issues the user has commented on:
 
 [source,js]
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