--- a/doc/grep.in.1
+++ b/doc/grep.in.1
@@ -35,10 +35,9 @@
 .B grep
 .RI [ OPTIONS ]
 .RB [ \-e
-.I PATTERN
-|
-.B \-f
-.IR FILE ]
+.IR PATTERN ].\|.\|.
+.RB [ \-f
+.IR FILE ].\|.\|.
 .RI [ FILE .\|.\|.]
 .
 .SH DESCRIPTION