--- a/rockspecs/hglib-scm-0.rockspec	Fri Sep 16 16:07:39 2016 +0800
+++ b/rockspecs/hglib-scm-0.rockspec	Mon Oct 17 23:27:20 2016 +0800
@@ -8,6 +8,10 @@
 	summary = 'Mercurial command server client library.',
 	detailed = [[
 		A pure-Lua library for interacting with Mercurial's command server.
+		It's useful for Lua applications that want to get all kinds of
+		repository data fast. Compared to the usual way of executing multiple
+		`hg command`, this library skips the overhead of starting up a new
+		process every time.
 	]],
 	homepage = 'https://bitbucket.org/av6/lua-hglib',
 	license = 'MIT'