Mention standard input explicitly in synopsis

diff --git a/colorize.1 b/colorize.1
index 3b114dd63de46e5a0d7585834bb6480687f3eb09..f3341ede179fb311ec0bbbe7dcae313d38a69ff7 100644 (file)
--- a/colorize.1
+++ b/colorize.1
@@ -2,11 +2,11 @@
 .SH NAME
 colorize \- colorize text on terminal with ANSI escape sequences
 .SH SYNOPSIS
-\fBcolorize\fR [\fIoption\fR]... (\fIforeground\fR) [\fIfile\fR]
+\fBcolorize\fR [\fIoption\fR]... (\fIforeground\fR) [\fI-|file\fR]
 .PP
-\fBcolorize\fR [\fIoption\fR]... (\fIforeground\fR)/(\fIbackground\fR) [\fIfile\fR]
+\fBcolorize\fR [\fIoption\fR]... (\fIforeground\fR)/(\fIbackground\fR) [\fI-|file\fR]
 .PP
-\fBcolorize\fR \-\-clean[\-all] [\fIfile\fR]
+\fBcolorize\fR \-\-clean[\-all] [\fI-|file\fR]
 .PP
 \fBcolorize\fR \-hV
 .SH DESCRIPTION