diff --git a/reference/datetime/datetime/sub.xml b/reference/datetime/datetime/sub.xml
index b5b7e6aed5..ebeeb87f48 100644
--- a/reference/datetime/datetime/sub.xml
+++ b/reference/datetime/datetime/sub.xml
@@ -41,8 +41,8 @@
        The amount to be subtracted. For the date use "P3D", "P3M", "P3Y" or a
        combination of the three e.g. "P2M5D" (Y = Years, M = Months, D = Days.)
        MUST BE YEAR MONTH DAY FORMAT "P5Y", "P5M2D", "P5Y4D". For the time use
-       "T3H", "T3M", "T3S" or  or a combination of the three e.g. "T5H20M" (H =
-       Hours, M = Minutes, S = Seconds). For dateTime us "P5D2M4YT5H20M". The
+       "T3H", "T3M", "T3S" or a combination of the three e.g. "T5H20M" (H =
+       Hours, M = Minutes, S = Seconds). For dateTime us "P5Y2M4DT5H20M". The
        digit before the letter (NOT P or T) can be any amount.
       </para>
      </listitem>