diff --git a/drivers/base/core.c b/drivers/base/core.c
index 422cfca..ee0a51a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -762,6 +762,7 @@
 /**
  * dev_set_name - set a device name
  * @dev: device
+ * @fmt: format string for the device's name
  */
 int dev_set_name(struct device *dev, const char *fmt, ...)
 {