diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1
index dd545b499480..47fdd7218748 100644
--- a/tools/power/cpupower/man/cpupower-frequency-info.1
+++ b/tools/power/cpupower/man/cpupower-frequency-info.1
@@ -32,7 +32,7 @@ Gets the currently used cpufreq policy.
 \fB\-g\fR \fB\-\-governors\fR
 Determines available cpufreq governors.
 .TP  
-\fB\-a\fR \fB\-\-related\-cpus\fR
+\fB\-r\fR \fB\-\-related\-cpus\fR
 Determines which CPUs run at the same hardware frequency.
 .TP  
 \fB\-a\fR \fB\-\-affected\-cpus\fR