diff --git a/symmetric/symmetric-assemble/src/docbook/configuration.xml b/symmetric/symmetric-assemble/src/docbook/configuration.xml
index 71cf08ad5e..2393e71d3f 100644
--- a/symmetric/symmetric-assemble/src/docbook/configuration.xml
+++ b/symmetric/symmetric-assemble/src/docbook/configuration.xml
@@ -1047,7 +1047,8 @@ insert into sym_trigger_router (TRIGGER_ID,ROUTER_ID,INITIAL_LOAD_ORDER,
                     <code>jdbcTemplate</code> is a Spring JdbcTemplate object for querying or updating the database.
                 </listitem> 
                  <listitem>
-                    Variable Transform ('variable'):  This transformation allows you to place a dynamic variable (such as the current database time) into the target column.
+                    Variable Transform ('variable'):  This transformation allows you to place a dynamic variable (such as the current database time) into the target column.  The transform_expression's'
+                    currently supported are:  system_timestamp.
                  </listitem>                        
                  <listitem>
                     Identity Transform ('identity'):  This transformation allows you to insert into a identity column by computing a new identity, not copying the actual identity value from the source.