Closes #4159: add LaTeX tabular column specifications to tables that otherwise are cut off or have overlapping text.
diff --git a/Doc/library/email.policy.rst b/Doc/library/email.policy.rst
index 51ac5c0..06d9821 100644
--- a/Doc/library/email.policy.rst
+++ b/Doc/library/email.policy.rst
@@ -139,6 +139,8 @@
       Controls the type of Content Transfer Encodings that may be or are
       required to be used.  The possible values are:
 
+      .. tabularcolumns:: |l|L|
+
       ========  ===============================================================
       ``7bit``  all data must be "7 bit clean" (ASCII-only).  This means that
                 where necessary data will be encoded using either