diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index d31c653..2646120 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -3,7 +3,7 @@
 * Add `range_X` functions for getting a list of dates/times within a range
   (such as `range_day/3` to get a range of days between a start and end date.
 * Add `beginning_X` functions to return the beginning of the provided precision
-  (minute, hour, day, month, or year)
+  (minute, hour, day, week, month, or year)
 * Add `between/[2,3,5]` functions for computing whether a date/time is between
   two others.
 * Update to rebar3 and add hex compatability. (@Licenser)