diff --git a/docs/src/js/interfaces/IndexConfig.md b/docs/src/js/interfaces/IndexConfig.md
index 6622c0189..c217e38e8 100644
--- a/docs/src/js/interfaces/IndexConfig.md
+++ b/docs/src/js/interfaces/IndexConfig.md
@@ -100,7 +100,7 @@ optional numIndexedRows: number;
 
 The number of rows indexed, across all segments.
 
-`undefined` for remote tables.
+May be `undefined` for remote tables if the server does not report it.
 
 ***
 
@@ -124,7 +124,7 @@ optional numUnindexedRows: number;
 
 The number of rows not yet covered by this index.
 
-`undefined` for remote tables.
+May be `undefined` for remote tables if the server does not report it.
 
 ***
 
diff --git a/nodejs/src/table.rs b/nodejs/src/table.rs
index a1410ad85..2f7d91a2a 100644
--- a/nodejs/src/table.rs
+++ b/nodejs/src/table.rs
@@ -879,11 +879,11 @@ pub struct IndexConfig {
     pub created_at: Option<DateTime<Utc>>,
     /// The number of rows indexed, across all segments.
     ///
-    /// `undefined` for remote tables.
+    /// May be `undefined` for remote tables if the server does not report it.
     pub num_indexed_rows: Option<i64>,
     /// The number of rows not yet covered by this index.
     ///
-    /// `undefined` for remote tables.
+    /// May be `undefined` for remote tables if the server does not report it.
     pub num_unindexed_rows: Option<i64>,
     /// The total size in bytes of all index files across all segments.
     ///
diff --git a/rust/lancedb/src/index.rs b/rust/lancedb/src/index.rs
index 712a15fa0..5ce345e7e 100644
--- a/rust/lancedb/src/index.rs
+++ b/rust/lancedb/src/index.rs
@@ -497,13 +497,14 @@ pub struct IndexConfig {
     /// The number of rows indexed, across all segments.
     ///
     /// This is approximate and may include rows that have since been deleted.
-    /// `None` if unavailable (e.g. for remote tables).
+    /// `None` if unavailable (e.g. for remote tables whose server does not
+    /// report it).
     pub num_indexed_rows: Option<u64>,
     /// The number of rows in the table that are not yet covered by this index.
     ///
     /// Computed as the table's total row count minus [`Self::num_indexed_rows`].
     /// Optimizing the index will fold these rows into it. `None` if unavailable
-    /// (e.g. for remote tables).
+    /// (e.g. for remote tables whose server does not report it).
     pub num_unindexed_rows: Option<u64>,
     /// The total size in bytes of all index files across all segments.
     ///