diff --git a/CONFIGURATION.md b/CONFIGURATION.md
index f9902829c30320e2841bc85385858bd9651b9690..d4f26e43e80320c4eafeaa1a5d9628031c89d58f 100644
--- a/CONFIGURATION.md
+++ b/CONFIGURATION.md
@@ -4,21 +4,22 @@ Configuration may be set using SpringBoot's configuration file (`application.pro
 
 ##### Environment variables
 
-| Variable                         | Default                                     | Description                                                                                                            |
-|----------------------------------|---------------------------------------------|------------------------------------------------------------------------------------------------------------------------|
-| NAMING_DATABASE_URL              | jdbc:postgresql://postgres:5432/discs_names | JDBC URL for the database connection                                                                                   |
-| NAMING_DATABASE_USERNAME         | discs_names                                 | user name for the database connection                                                                                  |
-| NAMING_DATABASE_PASSWORD         | discs_names                                 | password for the database connection                                                                                   |
-| NAMING_LOGGING_LEVEL             | INFO                                        | log level for application                                                                                              |
-| NAMING_LOGGING_FILTER_INCLUDES   | org.openepics.names                         | comma-separated list of strings to filter stack trace for inclusion (ref. whitelist)                                   |
-| NAMING_LOGGING_FILTER_EXCLUDES   | org.openepics.names.util.ExceptionUtil      | comma-separated list of strings to filter stack trace for exclusion (ref. blacklist)                                   |
-| NAMING_LOGGING_STACKTRACE_LENGTH | 20                                          | max number of stack trace elements to log, negative value will log entire stack trace                                  |
-| NAMING_MAIL_ADMINISTRATOR        |                                             | comma-separated list of administrator email addresses                                                                  |
-| NAMING_MAIL_NOTIFICATION         | false                                       | true/false if mail notications are to be sent                                                                          |
-| NAMING_MAIL_NOTIFICATION_NAMES   |                                             | comma-separated list of email addresses to which to send notications about changes for names                           |
-| NAMING_NOTIFY_SCHEDULE           | 0 0 5 * * *                                 | schedule for notification job, cron expression with six or seven fields to describe individual details of the schedule |
-| NAMING_SMTP_HOST                 | mail.esss.lu.se                             | DNS name of server that accepts connections for SMTP                                                                   |
-| NAMING_SMTP_PORT                 | 587                                         | port to use for SMTP, 587 for SMTP Secure                                                                              |
-| NAMING_SMTP_USERNAME             |                                             | username for SMTP server                                                                                               |
-| NAMING_SMTP_PASSWORD             |                                             | password for SMTP server                                                                                               |
-| NAMING_SWAGGER_URL               | http://localhost:8080/swagger-ui.html       | default url for Swagger UI                                                                                             |
+| Variable                            | Default                                     | Description                                                                                                            |
+|-------------------------------------|---------------------------------------------|------------------------------------------------------------------------------------------------------------------------|
+| NAMING_DATABASE_URL                 | jdbc:postgresql://postgres:5432/discs_names | JDBC URL for the database connection                                                                                   |
+| NAMING_DATABASE_USERNAME            | discs_names                                 | user name for the database connection                                                                                  |
+| NAMING_DATABASE_PASSWORD            | discs_names                                 | password for the database connection                                                                                   |
+| NAMING_LOGGING_LEVEL                | INFO                                        | log level for application                                                                                              |
+| NAMING_LOGGING_FILTER_INCLUDES      | org.openepics.names                         | comma-separated list of strings to filter stack trace for inclusion (ref. whitelist)                                   |
+| NAMING_LOGGING_FILTER_EXCLUDES      | org.openepics.names.util.ExceptionUtil      | comma-separated list of strings to filter stack trace for exclusion (ref. blacklist)                                   |
+| NAMING_LOGGING_STACKTRACE_LENGTH    | 20                                          | max number of stack trace elements to log, negative value will log entire stack trace                                  |
+| NAMING_MAIL_ADMINISTRATOR           |                                             | comma-separated list of administrator email addresses                                                                  |
+| NAMING_MAIL_NOTIFICATION            | false                                       | true/false if mail notications are to be sent                                                                          |
+| NAMING_MAIL_NOTIFICATION_NAMES      |                                             | comma-separated list of email addresses to which to send notications about changes for names                           |
+| NAMING_MAIL_NOTIFICATION_STRUCTURES |                                             | comma-separated list of email addresses to which to send notications about changes for structures                      |
+| NAMING_NOTIFY_SCHEDULE              | 0 0 5 * * *                                 | schedule for notification job, cron expression with six or seven fields to describe individual details of the schedule |
+| NAMING_SMTP_HOST                    | mail.esss.lu.se                             | DNS name of server that accepts connections for SMTP                                                                   |
+| NAMING_SMTP_PORT                    | 587                                         | port to use for SMTP, 587 for SMTP Secure                                                                              |
+| NAMING_SMTP_USERNAME                |                                             | username for SMTP server                                                                                               |
+| NAMING_SMTP_PASSWORD                |                                             | password for SMTP server                                                                                               |
+| NAMING_SWAGGER_URL                  | http://localhost:8080/swagger-ui.html       | default url for Swagger UI                                                                                             |