Add description of -c hello

diff --git a/doc/zephyr.mdwn b/doc/zephyr.mdwn
index 7ddbfac73de7b7d634f1b08b8b3a24ac8461409b..85c8068271658b2765dfc5a51dd2e2fd4be264d1 100644 (file)
--- a/doc/zephyr.mdwn
+++ b/doc/zephyr.mdwn
@@ -132,6 +132,13 @@ Some common classes include:
 > report what one is working on or up to, or ask friends questions, or
 > just rant about something.
 
+<strong>hello</strong>:
+> -c hello is for introducing yourself to the Zephyrsphere! Send
+> a zephyrgram to `-c hello -i YOUR_USERNAME` to let people
+> know you're a zephyr user! Don't be afraid to subscribe to the personal classes
+> of anyone who responds. In the same way, greet anyone who says 
+> hello, and sub to their class!
+
 <strong>unclasses</strong>:
 > Most classes have an unclass, formed by prefixing "un" to the name. For
 > example, -c help has the unclass -c unhelp. The unclass is generally used for