diff --git a/README.md b/README.md
index 834a161..ef5ac67 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ This action opens a new issue from an issue template. It parses the template's f
 - `.WeekStartDate`: Date of Monday of the week
 - `.WeekEndDate`: Date of Sunday of the week
 - `.WeekNumber`: ISO week number
+- `.WeekNumberYear`: Year of the Thursday of the week. Matches with [ISO week number](https://en.wikipedia.org/wiki/ISO_week_date#First_week)
 - `.Dates`: Array of the dates of the week (Can be used as `{{ index .Dates 1 }}` in the template)
 
 ## Template example
@@ -20,7 +21,7 @@ This action opens a new issue from an issue template. It parses the template's f
 ---
 name: Weekly Report
 about: This is an example
-title: 'Report on {{ .WeekStartDate }} (Week {{ .WeekNumber }}, {{ .Year }})'
+title: 'Report on {{ .WeekStartDate }} (Week {{ .WeekNumber }}, {{ .WeekNumberYear }})'
 labels: report
 assignees: lowply
 ---