[DOCS] Fix typo in bulleted list (#4336) (#4338)

(cherry picked from commit 64194c5)

Co-authored-by: Lisa Cawley <lcawley@elastic.co>

Author: github-actions[bot]

output/openapi/elasticsearch-openapi.json

@@ -205,8 +205,8 @@ export interface Request extends RequestBase {
      * * `_local` to, if possible, run the search on shards on the local node, or if not, select shards using the default method.
      * * `_only_nodes:<node-id>,<node-id>` to run the search on only the specified nodes IDs. If suitable shards exist on more than one selected node, use shards on those nodes using the default method. If none of the specified nodes are available, select shards from any available node using the default method.
      * * `_prefer_nodes:<node-id>,<node-id>` to if possible, run the search on the specified nodes IDs. If not, select shards using the default method.
-     * `_shards:<shard>,<shard>` to run the search only on the specified shards. You can combine this value with other `preference` values. However, the `_shards` value must come first. For example: `_shards:2,3|_local`.
-     * `<custom-string>` (any string that does not start with `_`) to route searches with the same `<custom-string>` to the same shards in the same order.
+     * * `_shards:<shard>,<shard>` to run the search only on the specified shards. You can combine this value with other `preference` values. However, the `_shards` value must come first. For example: `_shards:2,3|_local`.
+     * * `<custom-string>` (any string that does not start with `_`) to route searches with the same `<custom-string>` to the same shards in the same order.
      */
     preference?: string
     /**