diff --git a/source/reference/limits.txt b/source/reference/limits.txt
index 3df50d8372b..08df920e2ae 100644
--- a/source/reference/limits.txt
+++ b/source/reference/limits.txt
@@ -79,9 +79,9 @@ Naming Restrictions
    - begin with the ``system.`` prefix. (Reserved for internal use.)
 
    If your collection name includes special characters, such as the
-   underscore character, then to access the collection use the
-   :method:`db.getCollection()` method in the :program:`mongo` shell or
-   a :api:`similar method for your driver <>`.
+   underscore character, or begins with numbers, then to access the
+   collection use the :method:`db.getCollection()` method in the
+   :program:`mongo` shell or a :api:`similar method for your driver <>`.
 
    .. include:: /includes/fact-collection-namespace-limit.rst