Update libs/arcade-mcp-server/arcade_mcp_server/server.py

Co-authored-by: Eric Gustin <34000337+EricGustin@users.noreply.github.com>

Author: evantahler

libs/arcade-mcp-server/arcade_mcp_server/server.py

@@ -846,7 +846,7 @@ async def _handle_call_tool(
             error_message += "  To fix:\n"
             error_message += "  1. Check the tool name is correct\n"
             error_message += "  2. List available tools with tools/list\n"
-            error_message += "  3. Ensure the toolkit is properly installed\n\n"
+            error_message += "  3. Ensure the server is properly installed\n\n"
             error_message += "  Available tools can be found by calling the tools/list method."
 
             content = convert_to_mcp_content(error_message)