diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 18f12f36eb2be7299e3a17dc00f080e533078506..c8bddfb941290cfc89e1f8f3cdd8d10529f41446 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -8,7 +8,7 @@
  *
  * based on the other drivers in this same directory.
  *
- * http://www.semiconductors.philips.com/acrobat/datasheets/PCF8563-04.pdf
+ * https://www.nxp.com/docs/en/data-sheet/PCF8563.pdf
  */
 
 #include <linux/clk-provider.h>