diff --git a/drafts/macaroons_caveats.rst b/drafts/macaroons_caveats.rst
index 2a45fe12..791d217a 100644
--- a/drafts/macaroons_caveats.rst
+++ b/drafts/macaroons_caveats.rst
@@ -17,14 +17,16 @@ And these are joined by single space characters.
 
 Specified caveats:
 
-+-------------+--------------------------------------------------+--------------------------------------------------------------------------------------------+
-| Caveat name | Description                                      | Legal Values                                                                               |
-+-------------+--------------------------------------------------+--------------------------------------------------------------------------------------------+
-| gen         | Generation of the macaroon caveat spec.          | 1                                                                                          |
-| user_id     | ID of the user for which this macaroon is valid. | Pure equality check. Operator must be =.                                                   |
-| type        | The purpose of this macaroon.                    | access - used to authorize any action except token refresh                                 |
-|                                                                   refresh - only used to authorize a token refresh                                          |
-| time        | Time before/after which this macaroon is valid.  | A POSIX timestamp in milliseconds (in UTC).                                                |
-|                                                                  Operator < means the macaroon is valid before the timestamp, as interpreted by the server. |
-|                                                                  Operator > means the macaroon is valid after the timestamp, as interpreted by the server.  |
-+-------------+--------------------------------------------------+--------------------------------------------------------------------------------------------+
++-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
+| Caveat name | Description                                      | Legal Values                                                                                   |
++-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
+| gen         | Generation of the macaroon caveat spec.          | 1                                                                                              |
+| user_id     | ID of the user for which this macaroon is valid. | Pure equality check. Operator must be =.                                                       |
+| type        | The purpose of this macaroon.                    | access - used to authorize any action except token refresh                                     |
+|                                                                   refresh - only used to authorize a token refresh                                              |
+| time        | Time before/after which this macaroon is valid.  | A POSIX timestamp in milliseconds (in UTC).                                                    |
+|                                                                  Operator < means the macaroon is valid before the timestamp, as interpreted by the server.     |
+|                                                                  Operator > means the macaroon is valid after the timestamp, as interpreted by the server.      |
+|                                                                  Operator == means the macaroon is valid at exactly the timestamp, as interpreted by the server.|
+|                                                                  Note that exact equality of time is largely meaningless.                                       |
++-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+