Update sql docs for querying multiple indices (#5340)

* update sql docs for querying multiple indexes

Signed-off-by: Ritvi Bhatt <ribhatt@amazon.com>

* fix wording

Signed-off-by: Ritvi Bhatt <ribhatt@amazon.com>

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Signed-off-by: Ritvi Bhatt <ribhatt@amazon.com>

Author: ritvibhatt

docs/user/general/identifiers.rst

@@ -150,7 +150,7 @@ Description
 To query multiple indices, you could
 
 1. Include ``*`` in index name, this is an index pattern for wildcard match.
-2. Delimited multiple indices and seperated them by ``,``. Note: no space allowed between each index.
+2. Delimit multiple indices with ``,`` and enclose the entire comma-separated list in backticks. Note: no space allowed between each index.
 
 
 Examples