[docs] Fix typo

Fix use of line continuation (+) character in a table cell, which caused the character to render in the published doc

documentation/modules/ROOT/pages/connectors/oracle.adoc

@@ -1146,8 +1146,8 @@ a|Mandatory string that describes the type of operation. The `op` field value is
 
 |3
 |`ts_ms`
-a|Optional field that displays the time at which the connector processed the event. The time is based on the system clock in the JVM running the Kafka Connect task.  +
-+
+a|Optional field that displays the time at which the connector processed the event. The time is based on the system clock in the JVM running the Kafka Connect task. +
+
 In the `source` object, `ts_ms` indicates the time that the change was made in the database. By comparing the value for `payload.source.ts_ms` with the value for `payload.ts_ms`, you can determine the lag between the source database update and {prodname}.
 
 |===