Update feature_codes.rst (#223)

Fixed "data" to "date"

source/additional_information/feature_codes.rst

@@ -39,7 +39,7 @@ Feature Codes
 +--------------------+----------------------+------------------------------------------------------------------------------+
 | \*\9170            | Talking Time         | Current server time                                                          |
 +--------------------+----------------------+------------------------------------------------------------------------------+
-| \*\9172            | Talking Date & Time  | Current server data & time                                                   |
+| \*\9172            | Talking Date & Time  | Current server date & time                                                   |
 +--------------------+----------------------+------------------------------------------------------------------------------+
 | \*\925             | Wakeup Call          | Schedule a wakeup call                                                       |
 +--------------------+----------------------+------------------------------------------------------------------------------+