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-rw-r--r--Documentation/networking/mptcp-sysctl.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst
index dc45c0211353..03e1d3610333 100644
--- a/Documentation/networking/mptcp-sysctl.rst
+++ b/Documentation/networking/mptcp-sysctl.rst
@@ -41,7 +41,7 @@ blackhole_timeout - INTEGER (seconds)
MPTCP is re-enabled and will reset to the initial value when the
blackhole issue goes away.
- 0 to disable the blackhole detection.
+ 0 to disable the blackhole detection. This is a per-namespace sysctl.
Default: 3600