diff --git a/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeFiltering.java b/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeFiltering.java
index 0921a90ac22a7..34bce404f375d 100644
--- a/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeFiltering.java
+++ b/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeFiltering.java
@@ -51,8 +51,10 @@ public interface SupportsRuntimeFiltering extends SupportsRuntimeV2Filtering {
    * the originally reported partitioning during runtime filtering. While applying runtime filters,
    * the scan may detect that some {@link InputPartition}s have no matching data. It can omit
    * such partitions entirely only if it does not report a specific partitioning. Otherwise,
-   * the scan can replace the initially planned {@link InputPartition}s that have no matching
-   * data with empty {@link InputPartition}s but must preserve the overall number of partitions.
+   * the scan can either replace the initially planned {@link InputPartition}s that have no
+   * matching data with empty {@link InputPartition}s, or report only a subset of the original
+   * partition values (omitting those with no data). The scan must not report new partition values
+   * that were not present in the original partitioning.
    * <p>
    * Note that Spark will call {@link Scan#toBatch()} again after filtering the scan at runtime.
    *
diff --git a/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeV2Filtering.java b/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeV2Filtering.java
index 7c238bde969b2..1bec81fe8184f 100644
--- a/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeV2Filtering.java
+++ b/sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsRuntimeV2Filtering.java
@@ -55,9 +55,10 @@ public interface SupportsRuntimeV2Filtering extends Scan {
    * the originally reported partitioning during runtime filtering. While applying runtime
    * predicates, the scan may detect that some {@link InputPartition}s have no matching data. It
    * can omit such partitions entirely only if it does not report a specific partitioning.
-   * Otherwise, the scan can replace the initially planned {@link InputPartition}s that have no
-   * matching data with empty {@link InputPartition}s but must preserve the overall number of
-   * partitions.
+   * Otherwise, the scan can either replace the initially planned {@link InputPartition}s that
+   * have no matching data with empty {@link InputPartition}s, or report only a subset of the
+   * original partition values (omitting those with no data). The scan must not report new
+   * partition values that were not present in the original partitioning.
    * <p>
    * Note that Spark will call {@link Scan#toBatch()} again after filtering the scan at runtime.
    *