docs: correct capitalization, add hyphenation, remove double spaces

content/en/docs/reference/glossary/shuffle-sharding.md

@@ -1,5 +1,5 @@
 ---
-title: shuffle sharding
+title: Shuffle-sharding
 id: shuffle-sharding
 date: 2020-03-04
 full_link:
@@ -26,11 +26,11 @@ address, protocol, and source and destination port.
 That simple hash-based scheme has the property that any high-intensity flow
 will crowd out all the low-intensity flows that hash to the same queue.
 Providing good insulation for a large number of flows requires a large
-number of queues, which is problematic.  Shuffle sharding is a more
+number of queues, which is problematic. Shuffle-sharding is a more
 nimble technique that can do a better job of insulating the low-intensity
-flows from the high-intensity flows.  The terminology of shuffle sharding uses
+flows from the high-intensity flows. The terminology of shuffle-sharding uses
 the metaphor of dealing a hand from a deck of cards; each queue is a
-metaphorical card.  The shuffle sharding technique starts with hashing
+metaphorical card. The shuffle-sharding technique starts with hashing
 the flow-identifying characteristics of the request, to produce a hash
 value with dozens or more of bits. Then the hash value is used as a
 source of entropy to shuffle the deck and deal a hand of cards