diff --git a/src/time/src/mcp_server_time/server.py b/src/time/src/mcp_server_time/server.py
index 2cb0926134..4c970684b5 100644
--- a/src/time/src/mcp_server_time/server.py
+++ b/src/time/src/mcp_server_time/server.py
@@ -165,7 +165,7 @@ async def list_tools() -> list[Tool]:
                         },
                         "target_timezone": {
                             "type": "string",
-                            "description": f"Target IANA timezone name (e.g., 'Asia/Tokyo', 'America/San_Francisco'). Use '{local_tz}' as local timezone if no target timezone provided by the user.",
+                            "description": f"Target IANA timezone name (e.g., 'Asia/Tokyo', 'America/Los_Angeles'). Use '{local_tz}' as local timezone if no target timezone provided by the user.",
                         },
                     },
                     "required": ["source_timezone", "time", "target_timezone"],