diff --git a/reference/datetime/formats.xml b/reference/datetime/formats.xml
index 3463a32ee9..a89ba70d45 100644
--- a/reference/datetime/formats.xml
+++ b/reference/datetime/formats.xml
@@ -748,13 +748,13 @@
       <entry>"front of 5am", "front of 23"</entry>
      </row>
      <row>
-      <entry>'first day' ' of'?</entry>
+      <entry>'first day of'</entry>
       <entry>Sets the day of the first of the current month. This phrase is
       best used together with a month name following it.</entry>
       <entry>"first day of January 2008"</entry>
      </row>
      <row>
-      <entry>'last day' ' of'?</entry>
+      <entry>'last day of'</entry>
       <entry>Sets the day to the last day of the current month. This phrase is
       best used together with a month name following it.</entry>
       <entry>"last day of next month"</entry>