diff --git a/doc/procps_misc.3 b/doc/procps_misc.3
index 7304736c..642ed2e7 100644
--- a/doc/procps_misc.3
+++ b/doc/procps_misc.3
@@ -49,7 +49,7 @@ library.
 .BR procps_cpu_count ()
 returns the number of CPUs that are currently online. On most systems returns
 the value of
-.BI sysconf( _SC_NPROCESSORS_ONLN )
+.BI sysconf( _SC_NPROCESSORS_ONLY )
 or assumed to be \fI1\fR.
 
 .BR procps_hertz_get ()