diff --git a/homeassistant/components/nut/__init__.py b/homeassistant/components/nut/__init__.py
index 3825db92983..2ce67c76649 100644
--- a/homeassistant/components/nut/__init__.py
+++ b/homeassistant/components/nut/__init__.py
@@ -172,7 +172,7 @@ def _firmware_from_status(status: dict[str, str]) -> str | None:
 
 
 def _serial_from_status(status: dict[str, str]) -> str | None:
-    """Find the best serialvalue from the status."""
+    """Find the best serial value from the status."""
     serial = status.get("device.serial") or status.get("ups.serial")
     if serial and (
         serial.lower() in NUT_FAKE_SERIAL or serial.count("0") == len(serial.strip())