DOC-1392 Add redpanda.iceberg.target.lag.ms

Author: kbatuigas

modules/reference/pages/properties/topic-properties.adoc

@@ -544,6 +544,7 @@ Enable the Iceberg integration for the topic. You can choose one of four modes.
 
 **Related topics**:
 
+- xref:manage:iceberg/choose-iceberg-mode.adoc[]
 - xref:manage:iceberg/about-iceberg-topics.adoc[]
 
 ---
@@ -560,6 +561,23 @@ Whether the corresponding Iceberg table is deleted upon deleting the topic.
 
 ---
 
+==== redpanda.iceberg.invalid.record.action
+
+Whether to write invalid records to a dead-letter queue (DLQ).
+
+**Default**: `dlq_table`
+
+**Values**:
+
+- `drop`: Disable the DLQ and drop invalid records.
+- `dlq_table`: Write invalid records to a separate DLQ Iceberg table.
+
+**Related topics**:
+
+- xref:manage:iceberg/about-iceberg-topics.adoc#manage-dead-letter-queue[Manage dead-letter queue]
+
+---
+
 ==== redpanda.iceberg.partition.spec
 
 The https://iceberg.apache.org/docs/nightly/partitioning/[partitioning^] specification for the Iceberg table.
@@ -568,20 +586,15 @@ The https://iceberg.apache.org/docs/nightly/partitioning/[partitioning^] specifi
 
 **Related topics**:
 
-- xref:manage:iceberg/about-iceberg-topics.adoc[]
+- xref:manage:iceberg/about-iceberg-topics.adoc#use-custom-partitioning[Use custom partitioning]
 
 ---
 
-==== redpanda.iceberg.invalid.record.action
-
-Whether to write invalid records to a dead-letter queue (DLQ).
-
-**Default**: `dlq_table`
+==== redpanda.iceberg.target.lag.ms
 
-**Values**:
+Controls how often the data in the Iceberg table is refreshed with new data from the topic. Redpanda attempts to commit all data produced to the topic within the lag target, subject to resource availability.
 
-- `drop`: Disable the DLQ and drop invalid records.
-- `dlq_table`: Write invalid records to a separate DLQ Iceberg table.
+**Default**: `60000`
 
 **Related topics**: