diff --git a/docs/my-website/docs/proxy/pii_masking.md b/docs/my-website/docs/proxy/pii_masking.md
index b107567d75..9fd55c7e1e 100644
--- a/docs/my-website/docs/proxy/pii_masking.md
+++ b/docs/my-website/docs/proxy/pii_masking.md
@@ -15,7 +15,7 @@ export PRESIDIO_ANONYMIZER_API_BASE="http://localhost:5001"
 
 ```yaml
 litellm_settings: 
-    litellm.callbacks = ["presidio"] 
+    callbacks = ["presidio", ...] # e.g. ["presidio", custom_callbacks.proxy_handler_instance]
 ```
 
 ## Start proxy 
diff --git a/litellm/llms/sagemaker.py b/litellm/llms/sagemaker.py
index 78aafe7f7c..96f84c8895 100644
--- a/litellm/llms/sagemaker.py
+++ b/litellm/llms/sagemaker.py
@@ -366,7 +366,7 @@ def embedding(
     aws_access_key_id = optional_params.pop("aws_access_key_id", None)
     aws_region_name = optional_params.pop("aws_region_name", None)
 
-    if aws_access_key_id != None:
+    if aws_access_key_id is not None:
         # uses auth params passed to completion
         # aws_access_key_id is not None, assume user is trying to auth using litellm.completion
         client = boto3.client(