diff --git a/.github/workflows/acceptance.yml b/.github/workflows/acceptance.yml
index 0bd04ba35391..cce5f8ff5442 100644
--- a/.github/workflows/acceptance.yml
+++ b/.github/workflows/acceptance.yml
@@ -68,6 +68,7 @@ jobs:
       TEST_GROUP_STRATEGY: roundrobin
       PYTHONHASHSEED: '0'
       XDIST_PER_WORKER_SNUBA: '1'
+      # experiment: 2-worker control at the frontend-only shard count
       XDIST_WORKERS: '2'
 
     steps: