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-rw-r--r--lib/coverage-unixctl.man4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/coverage-unixctl.man b/lib/coverage-unixctl.man
index 971889419..8e5df818e 100644
--- a/lib/coverage-unixctl.man
+++ b/lib/coverage-unixctl.man
@@ -8,4 +8,6 @@ main loop takes unusually long to run.
Coverage counters are useful mainly for performance analysis and
debugging.
.IP "\fBcoverage/show\fR"
-Displays the values of all of the coverage counters.
+Displays the averaged per-second rates for the last few seconds, the
+last minute and the last hour, and the total counts of all of the
+coverage counters.