diff --git a/litellm/llms/anthropic.py b/litellm/llms/anthropic.py
index 5b8c5f27f0..6dac6b0425 100644
--- a/litellm/llms/anthropic.py
+++ b/litellm/llms/anthropic.py
@@ -8,8 +8,8 @@ from litellm.utils import ModelResponse
 import litellm 
 
 class AnthropicConstants(Enum):
-    HUMAN_PROMPT = "\n\nHuman:"
-    AI_PROMPT = "\n\nAssistant:"
+    HUMAN_PROMPT = "\n\nHuman: "
+    AI_PROMPT = "\n\nAssistant: "
 
 class AnthropicError(Exception):
     def __init__(self, status_code, message):
diff --git a/litellm/llms/bedrock.py b/litellm/llms/bedrock.py
index 2ccb6f9d8b..f6bad8acbf 100644
--- a/litellm/llms/bedrock.py
+++ b/litellm/llms/bedrock.py
@@ -164,8 +164,8 @@ class AmazonAI21Config():
                 and v is not None}
 
 class AnthropicConstants(Enum):
-    HUMAN_PROMPT = "\n\nHuman:"
-    AI_PROMPT = "\n\nAssistant:"
+    HUMAN_PROMPT = "\n\nHuman: "
+    AI_PROMPT = "\n\nAssistant: "
 
 
 def init_bedrock_client(