diff --git a/docs/develop/feel-built-in-functions.md b/docs/develop/feel-built-in-functions.md
index dfd4abdc4..72600651c 100644
--- a/docs/develop/feel-built-in-functions.md
+++ b/docs/develop/feel-built-in-functions.md
@@ -855,7 +855,7 @@ day of year(date("2019-09-17"))
 
 ### week of year()
 
-Returns the Gregorian number of the week within the year, accordingly to ISO 8601.
+Returns the Gregorian number of the week within the year, according to ISO 8601.
 
 * parameters: 
   * `date`: date/date-time