1 files changed, 3 insertions, 1 deletions

diff --git a/Documentation/x86/x86_64/machinecheck b/Documentation/x86/x86_64/machinecheck
index a05e58e7b159..a4fdb25446e0 100644
--- a/Documentation/x86/x86_64/machinecheck
+++ b/Documentation/x86/x86_64/machinecheck
@@ -41,7 +41,9 @@ check_interval
         the polling interval.  When the poller stops finding MCEs, it
         triggers an exponential backoff (poll less often) on the polling
         interval. The check_interval variable is both the initial and
-        maximum polling interval.
+        maximum polling interval. 0 means no polling for corrected machine
+        check errors (but some corrected errors might be still reported
+        in other ways)
 
 tolerant
         Tolerance level. When a machine check exception occurs for a non