Improve documentation for EXPLAIN fragment descriptions
Fix the formatting and improve wording.
@@ -23,18 +23,23 @@ a single or multiple Presto nodes. Fragments separation represent the data excha
Fragment type specifies how the fragment is executed by Presto nodes and how the data is
distributed between fragments:
- * ``SINGLE``: Fragment is executed by single node.
+``SINGLE``
+ Fragment is executed on a single node.
- * ``HASH``: Fragment is executed by a fixed number of Presto nodes. Fragment input data is
- distributed among nodes with a hash function.
+``HASH``
+ Fragment is executed on a fixed number of nodes with the input data
+ distributed using a hash function.
- * ``ROUND_ROBIN``: Fragment is executed by a fixed number of Presto nodes. Fragment input data
- is distributed among nodes with a round robin function.
+``ROUND_ROBIN``
+ Fragment is executed on a fixed number of nodes with the input data
+ distributed in a round-robin fashion.
- * ``BROADCAST``: Fragment is executed by a fixed number of Presto nodes. Fragment input data
- is broadcasted to all nodes.
+``BROADCAST``
+ Fragment is executed on a fixed number of nodes with the input data
+ broadcasted to all nodes.
- * ``SOURCE``: Fragment is executed on nodes where input splits needs to be accessed from.
+``SOURCE``
+ Fragment is executed on nodes where input splits are accessed.
Examples
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