diff --git a/cwmrc.5 b/cwmrc.5
index 4c0daaf..c7dbf7f 100644
--- a/cwmrc.5
+++ b/cwmrc.5
@@ -24,7 +24,19 @@
 This manual page describes the
 .Xr cwm 1
 configuration file.
-The following options are accepted in the configuration file:
+.Pp
+The current line can be extended over multiple lines using a backslash
+.Pq Sq \e .
+Comments can be put anywhere in the file using a hash mark
+.Pq Sq # ,
+and extend to the end of the current line.
+Care should be taken when commenting out multi-line text:
+the comment is effective until the end of the entire block.
+.Pp
+Arguments containing whitespace should be surrounded by double quotes
+.Pq \&" .
+.Pp
+The following options are accepted:
 .Pp
 .Bl -tag -width Ds -compact
 .It Ic autogroup Ar group windowname