Merge pull request modelcontextprotocol#61 from jatanloya/main

fixes typo in python.mdx

Author: dsp-ant

docs/first-server/python.mdx

@@ -477,7 +477,7 @@ Let's build your first MCP server in Python! We'll create a weather server that
 
 ## Available transports
 
-While this guide uses stdio transport, MCP supports additonal transport options:
+While this guide uses stdio transport, MCP supports additional transport options:
 
 ### SSE (Server-Sent Events)