diff --git a/litellm/llms/vertex_ai_anthropic.py b/litellm/llms/vertex_ai_anthropic.py
index 3bdcf4fd612..0652942801c 100644
--- a/litellm/llms/vertex_ai_anthropic.py
+++ b/litellm/llms/vertex_ai_anthropic.py
@@ -35,7 +35,7 @@ class VertexAIError(Exception):
 
 class VertexAIAnthropicConfig:
     """
-    Reference: https://docs.anthropic.com/claude/reference/messages_post
+    Reference:https://docs.anthropic.com/claude/reference/messages_post
 
     Note that the API for Claude on Vertex differs from the Anthropic API documentation in the following ways: