[rest-api-spec] update doc link for /_rank_eval
{
"rank_eval": {
- "documentation": "https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-rank-eval.html",
+ "documentation": "https://www.elastic.co/guide/en/elasticsearch/reference/master/search-rank-eval.html",
"methods": ["POST"],
"url": {
"path": "/_rank_eval",
