Just the warning about the ISO format this time.

christinaholtNOAA · christinaholtNOAA · commit 8dd6e398707b · 2024-08-29T16:46:41.000-06:00
diff --git a/docs/sections/user_guide/yaml/tags.rst b/docs/sections/user_guide/yaml/tags.rst
@@ -39,6 +39,8 @@ Converts the tagged node to a Python ``datetime`` object. For example, given ``i
    date1: 2024-09-01
    date2: 2024-09-01 00:00:00
 
+The value provided to the tag must be in ISO 8601 format to be interpreted correctly by the ``!datetime`` tag.
+
 ``!float``
 ^^^^^^^^^^
 
