Fix stale docstring in nmap_tracker (home-assistant#154380)

Author: emontnemery

homeassistant/components/nmap_tracker/config_flow.py

@@ -179,7 +179,7 @@ async def _async_build_schema_with_user_input(
 
 
 class OptionsFlowHandler(OptionsFlowWithReload):
-    """Handle a option flow for homekit."""
+    """Handle an option flow for nmap tracker."""
 
     def __init__(self, config_entry: ConfigEntry) -> None:
         """Initialize options flow."""