diff --git a/python/ray/tune/integration/wandb.py b/python/ray/tune/integration/wandb.py
index 1fb5ae538..e2da1e924 100644
--- a/python/ray/tune/integration/wandb.py
+++ b/python/ray/tune/integration/wandb.py
@@ -47,7 +47,8 @@ def wandb_mixin(func):
     are used to configure the ``WandbTrainableMixin`` itself:
 
     Args:
-        api_key_file (str): Path to file containing the Wandb API KEY.
+        api_key_file (str): Path to file containing the Wandb API KEY. This
+            file must be on all nodes if using the `wandb_mixin`.
         api_key (str): Wandb API Key. Alternative to setting `api_key_file`.
 
     Wandb's ``group``, ``run_id`` and ``run_name`` are automatically selected
@@ -186,7 +187,9 @@ class WandbLogger(Logger):
     are used to configure the WandbLogger itself:
 
     Args:
-        api_key_file (str): Path to file containing the Wandb API KEY.
+        api_key_file (str): Path to file containing the Wandb API KEY. This
+            file only needs to be present on the node running the Tune script
+            if using the WandbLogger.
         api_key (str): Wandb API Key. Alternative to setting ``api_key_file``.
         excludes (list): List of metrics that should be excluded from
             the log.