Merge pull request #16766 from rstruber/patch-1

fix grammar in Total Shards Per Node docs

docs/reference/index-modules/allocation/total_shards.asciidoc

@@ -23,7 +23,7 @@ You can also limit the amount of shards a node can have regardless of the index:
 
 [WARNING]
 =======================================
-Thess setting impose a hard limit which can result in some shards not being
+These settings impose a hard limit which can result in some shards not being
 allocated.
 
 Use with caution.