[mongosh] sharding methods

Author: steveren

source/reference/methods.txt

@@ -791,8 +791,7 @@ Sharding Methods
 
    * - :method:`sh.addShardTag()`
 
-     - Associates a shard with a tag or identifier. In MongoDB 3.4 and
-       higher, this method aliases to :method:`sh.addShardToZone()`.
+     - Aliases to :method:`sh.addShardToZone()`.
 
    * - :method:`sh.addShardToZone()`
 
@@ -801,8 +800,7 @@ Sharding Methods
 
    * - :method:`sh.addTagRange()`
 
-     - Attaches a range of shard key values to a shard tag. In MongoDB 3.4
-       and higher, this method aliases to :method:`sh.updateZoneKeyRange()`.
+     - Aliases to :method:`sh.updateZoneKeyRange()`.
 
    * - :method:`sh.enableSharding()`