diff --git a/cwmrc.5 b/cwmrc.5
index 2bb1d53..704adb9 100644
--- a/cwmrc.5
+++ b/cwmrc.5
@@ -39,7 +39,7 @@ Arguments containing whitespace should be surrounded by double quotes
 The following options are accepted:
 .Pp
 .Bl -tag -width Ds -compact
-.It Ic autogroup Ar group windowname
+.It Ic autogroup Ar group windowclass
 .It Ic autogroup Ar group windowname,windowclass
 Control automatic window grouping, based on the name and/or class
 properties, where