diff --git a/docs/en/designers/language-modifiers/language-modifier-date-format.xml b/docs/en/designers/language-modifiers/language-modifier-date-format.xml
index 5ff23163..5aa3859b 100644
--- a/docs/en/designers/language-modifiers/language-modifier-date-format.xml
+++ b/docs/en/designers/language-modifiers/language-modifier-date-format.xml
@@ -130,7 +130,7 @@ Monday, February 5, 2001
      %C - century number (the year divided by 100 and truncated to an integer, range 00 to 99)
     </para></listitem>
     <listitem><para>
-     %d - day of the month as a decimal number (range 00 to 31)
+     %d - day of the month as a decimal number (range 01 to 31)
     </para></listitem>
     <listitem><para>
      %D - same as %m/%d/%y