diff --git a/pymilvus/client/bloom_filter.py b/pymilvus/client/bloom_filter.py
index 9743aca7b..29240effd 100644
--- a/pymilvus/client/bloom_filter.py
+++ b/pymilvus/client/bloom_filter.py
@@ -464,7 +464,7 @@ def build(self) -> bytes:
 
 
 def build_bloom_filter(members: Sequence[Union[int, str]], fpr: float = _DEFAULT_FPR) -> bytes:
-    """Build an MBF1-wrapped Parquet Split-Block Bloom filter for bloom_match.
+    """Build an MBF1-wrapped Parquet Split-Block Bloom filter for membership_match.
 
     Integer members target INT8/INT16/INT32/INT64 fields; string members target
     VARCHAR fields. The returned bytes are passed through ``filter_params``.
diff --git a/pymilvus/client/roaring_filter.py b/pymilvus/client/roaring_filter.py
index bdc43e89e..b30aa7e9a 100644
--- a/pymilvus/client/roaring_filter.py
+++ b/pymilvus/client/roaring_filter.py
@@ -430,7 +430,7 @@ class RoaringBitmapBuilder:
             builder.add_int64_batch(chunk)
         blob = builder.build()
 
-    Build the bitmap from the SAME value domain as the target field: ``roaring_match`` matches
+    Build the bitmap from the SAME value domain as the target field: ``membership_match`` matches
     INT8/INT16/INT32/INT64 fields, and a narrow member is sign-extended, so ``INT8(-1)`` and
     ``-1`` are the same member.
     """
@@ -519,7 +519,7 @@ def build(self) -> bytes:
 
 
 def build_roaring_bitmap(members: Sequence[int]) -> bytes:
-    """Build an MRB1-wrapped portable Roaring64 bitmap for roaring_match.
+    """Build an MRB1-wrapped portable Roaring64 bitmap for membership_match.
 
     Members are signed integers targeting an INT8/INT16/INT32/INT64 field, in any order and with
     any number of duplicates. The returned bytes are passed through ``filter_params``, and are
diff --git a/tests/unit/test_roaring_filter.py b/tests/unit/test_roaring_filter.py
index 587f54454..6884d82ca 100644
--- a/tests/unit/test_roaring_filter.py
+++ b/tests/unit/test_roaring_filter.py
@@ -812,7 +812,7 @@ def test_roaring_blob_reaches_the_wire_through_the_public_client(mock_grpc_handl
     parsing; that happens after the request is sent, and the request is what is under test here.
     """
     blob = build_roaring_bitmap([1, -1, 1 << 40])
-    expr = "roaring_match(id, {rb})"
+    expr = "membership_match(id, {rb})"
 
     with patch("pymilvus.orm.connections.GrpcHandler", return_value=mock_grpc_handler), patch(
         "pymilvus.client.grpc_handler.GrpcHandler", return_value=mock_grpc_handler
@@ -848,7 +848,7 @@ def test_roaring_blob_reaches_the_wire_through_the_public_client(mock_grpc_handl
 def test_roaring_blob_reaches_query_search_and_delete_requests():
     """The blob must arrive as protobuf bytes -- not base64, not a string -- on every path."""
     blob = build_roaring_bitmap([1, -1, 1 << 40])
-    expr = "roaring_match(id, {rb})"
+    expr = "membership_match(id, {rb})"
 
     query = Prepare.query_request("coll", expr, [], None, expr_params={"rb": blob})
     delete = Prepare.delete_request("coll", expr, None, 0, expr_params={"rb": blob})