diff --git a/setup.cfg b/setup.cfg
index f05cc6d2d5..c52cbed097 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -34,6 +34,7 @@ filterwarnings=
     ignore: Use 'content=<...>' to upload raw bytes/text content.:DeprecationWarning
     ignore: The `allow_redirects` argument is deprecated. Use `follow_redirects` instead.:DeprecationWarning
     ignore: 'cgi' is deprecated and slated for removal in Python 3\.13:DeprecationWarning
+    ignore: The 'BaseHTTPMiddleware' is deprecated, and will be removed in version 2\.0\.0.*:DeprecationWarning
 
 [coverage:run]
 source_pkgs = starlette, tests
diff --git a/starlette/middleware/base.py b/starlette/middleware/base.py
index 826bcb3c85..bc71aecafe 100644
--- a/starlette/middleware/base.py
+++ b/starlette/middleware/base.py
@@ -14,7 +14,7 @@
 T = typing.TypeVar("T")
 
 warnings.warn(
-    "The 'BaseHTTPMiddleware' is deprecated, and will be removed in version 2.0.0."
+    "The 'BaseHTTPMiddleware' is deprecated, and will be removed in version 2.0.0. "
     "Refer to https://www.starlette.io/middleware/#pure-asgi-middleware to learn "
     "how to create middlewares.\nIf you need help, please create a discussion on: "
     "https://github.com/encode/starlette/discussions.",