It's conventional to use a minus sign rather than a hyphen to separate

[sgt/halibut] / doc / manpage.but

diff --git a/doc/manpage.but b/doc/manpage.but
index 4cf4737..05f6b59 100644 (file)
--- a/doc/manpage.but
+++ b/doc/manpage.but
@@ -7,7 +7,7 @@
 
 \H{manpage-name} NAME
 
-\cw{halibut} - multi-format documentation formatting tool
+\cw{halibut} \u2212{-} multi-format documentation formatting tool
 
 \H{manpage-synopsis} SYNOPSIS