diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index c777a6be280..240fa20bae5 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -738,9 +738,9 @@ Display information on all system processes:
 .Xr procstat 1 ,
 .Xr w 1 ,
 .Xr kvm 3 ,
-.Xr libxo 3
+.Xr libxo 3 ,
 .Xr strftime 3 ,
-.Xr xo_parse_args 3
+.Xr xo_parse_args 3 ,
 .Xr mac 4 ,
 .Xr procfs 5 ,
 .Xr pstat 8 ,