diff --git a/w3tech_hostfile.txt b/w3tech_hostfile.txt
index 338e76e..578c2d2 100644
--- a/w3tech_hostfile.txt
+++ b/w3tech_hostfile.txt
@@ -1,7 +1,7 @@
 # Version: 2020
 # Title: Small but effective hostfile format blocklist based on the annual W3tech most used advertising services survey 
 # Last modified: 05 January 2020
-# Expires: 7 days (update frequency once a month)
+# Expires: 365 days (update frequency once a year)
 # Homepage: https://github.com/Kees1958/WS3_annual_most_used_survey_blocklist
 # You are free to copy and distribute this file for non-commercial use
 #