diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index 37a10c057..27885f3a6 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -533,7 +533,8 @@ for measuring the Instruction TLB
 .B PERF_COUNT_HW_CACHE_BPU
 for measuring the branch prediction unit
 .TP
-.BR PERF_COUNT_HW_CACHE_NODE " (since Linux 3.0)"
+.BR PERF_COUNT_HW_CACHE_NODE " (since Linux 3.1)"
+.\" commit 89d6c0b5bdbb1927775584dcf532d98b3efe1477
 for measuring local memory accesses
 .RE
 .P