runtime(doc): fix typo in vimtutor manpage

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/vimtutor.1 b/runtime/doc/vimtutor.1
index 7f32004..0320b24 100644
--- a/runtime/doc/vimtutor.1
+++ b/runtime/doc/vimtutor.1
@@ -1,4 +1,4 @@
-.TH VIMTUTOR 1 "2024 November 04"
+.TH VIMTUTOR 1 "2024 December 03"
 .SH NAME
 vimtutor \- the Vim tutor
 .SH SYNOPSIS
@@ -32,11 +32,11 @@
 compatible mode.
 .SH OPTIONS
 .TP
-.BR \-l ", " \-\-language =\fIISO639\fR
+.BR \-l ", " \-\-language\ \fIISO639\fR
 Set the two or three letter language code. E.g. 'it', 'es', 'bar'.
 Defaults to language of locale if available, else to English.
 .TP
-.BR \-c ", " \-\-chapter =\fINUMBER\fR
+.BR \-c ", " \-\-chapter\ \fINUMBER\fR
 Set the chapter number. Defaults to chapter one.
 .TP
 .BR \-g ", " \-\-gui