diff --git a/lib/subghz/protocols/holtek_ht12x.c b/lib/subghz/protocols/holtek_ht12x.c
index fa0ddb78b..25dfdb5ca 100644
--- a/lib/subghz/protocols/holtek_ht12x.c
+++ b/lib/subghz/protocols/holtek_ht12x.c
@@ -8,7 +8,7 @@
 
 /*
  * Help
- * https://www.holtek.com/documents/10179/116711/HT12A_Ev130.pdf
+ * https://www.holtek.com/webapi/116711/HT12A_Ev130.pdf
  *
  */