fix docs

docs/source/raft_ann_benchmarks.md

@@ -171,8 +171,8 @@ options:
 
 `algo-groups`: this parameter is helpful to append any specific algorithm+group combination to run the benchmark for in addition to all the arguments from `algorithms` and `groups`. It is of the format `<algorithm>.<group>`, or for example, `raft_cagra.large`
 
-For every algorithm run by this script, it outputs an index build statistics JSON file in `<dataset-path/<dataset>/result/build/<algo_{group}-{k}-{batch_size}.json>`
-and an index search statistics JSON file in `<dataset-path/<dataset>/result/search/<algo_{group}-{k}-{batch_size}.json>`. NOTE: The filenams will not have "_{group}" if `group = "base"`.
+For every algorithm run by this script, it outputs an index build statistics JSON file in `<dataset-path/<dataset>/result/build/<{algo},{group}.json>`
+and an index search statistics JSON file in `<dataset-path/<dataset>/result/search/<{algo},{group},k{k},bs{batch_size}.json>`. NOTE: The filenames will not have ",{group}" if `group = "base"`.
 
 `dataset-path` :
 1. data is read from `<dataset-path>/<dataset>`
@@ -198,8 +198,8 @@ options:
   --dataset-path DATASET_PATH
                         path to dataset folder (default: ${RAPIDS_DATASET_ROOT_DIR})
 ```
-Build statistics CSV file is stored in `<dataset-path/<dataset>/result/build/<algo_group.csv>`
-and index search statistics CSV file in `<dataset-path/<dataset>/result/search/<algo_group-k{k}-batch_size{batch_size}_{suffix}.csv>`, where suffix has three values:
+Build statistics CSV file is stored in `<dataset-path/<dataset>/result/build/<{algo},{group}.csv>`
+and index search statistics CSV file in `<dataset-path/<dataset>/result/search/<{algo},{group},k{k},bs{batch_size},{suffix}.csv>`, where suffix has three values:
 1. `raw`: All search results are exported
 2. `throughput`: Pareto frontier of throughput results is exported
 3. `latency`: Pareto frontier of latency results is exported