diff --git a/README.md b/README.md
index 58cdeb055..1f991c908 100644
--- a/README.md
+++ b/README.md
@@ -1676,8 +1676,8 @@ worker = Worker(
 ### Workflow Replay
 
 Given a workflow's history, it can be replayed locally to check for things like non-determinism errors. For example,
-assuming `history_str` is populated with a JSON string history either exported from the web UI or from `tctl`, the
-following function will replay it:
+assuming `history_str` is populated with a JSON string history either exported from the web UI or from the 
+`Temporal CLI`, the following function will replay it:
 
 ```python
 from temporalio.client import WorkflowHistory
diff --git a/temporalio/client.py b/temporalio/client.py
index 6c26d41ef..85958f8d8 100644
--- a/temporalio/client.py
+++ b/temporalio/client.py
@@ -3355,7 +3355,7 @@ def from_json(
     ) -> WorkflowHistory:
         """Construct a WorkflowHistory from an ID and a json dump of history.
 
-        This is built to work both with Temporal UI/tctl JSON as well as
+        This is built to work both with Temporal UI/CLI JSON as well as
         :py:meth:`to_json` even though they are slightly different.
 
         Args:
diff --git a/temporalio/worker/_replayer.py b/temporalio/worker/_replayer.py
index 72ffa4b56..04a32be17 100644
--- a/temporalio/worker/_replayer.py
+++ b/temporalio/worker/_replayer.py
@@ -112,7 +112,7 @@ async def replay_workflow(
         Args:
             history: The history to replay. Can be fetched directly, or use
                 :py:meth:`temporalio.client.WorkflowHistory.from_json` to parse
-                a history downloaded via ``tctl`` or the web UI.
+                a history downloaded via ``Temporal CLI`` or the web UI.
             raise_on_replay_failure: If ``True`` (the default), this will raise
                 a :py:attr:`WorkflowReplayResult.replay_failure` if it is
                 present.