diff --git a/taskcluster/ci/merge-corpus/kind.yml b/taskcluster/ci/merge-corpus/kind.yml
index 7af6fdc8f..e7a33b0a1 100644
--- a/taskcluster/ci/merge-corpus/kind.yml
+++ b/taskcluster/ci/merge-corpus/kind.yml
@@ -82,7 +82,8 @@ tasks:
                 - -c
                 # Arguments are:
                 # 1) output directory
-                # 2) input files
+                # 2) input prefixes (dataset names without slashes) -- the script will append
+                #    the locales and file extensions for each one given.
                 - >-
                     export BIN=$MOZ_FETCHES_DIR &&
                     $VCS_PATH/pipeline/clean/merge-corpus.sh
diff --git a/taskcluster/translations_taskgraph/transforms/find_upstreams.py b/taskcluster/translations_taskgraph/transforms/find_upstreams.py
index faf7bc283..c59407846 100644
--- a/taskcluster/translations_taskgraph/transforms/find_upstreams.py
+++ b/taskcluster/translations_taskgraph/transforms/find_upstreams.py
@@ -67,6 +67,8 @@ def upstreams_for_locales(config, jobs):
         # Now that we've resolved which type of upstream task we want, we need to
         # find all instances of that task for our locale pair, add them to our
         # dependencies, and the necessary artifacts to our fetches.
+        # TODO: this shouldn't pull in _all_ tasks, just ones that were specified in
+        # the params
         for task in config.kind_dependencies_tasks.values():
             if not task.label.startswith(upstream_task):
                 continue