rephrasing key-distribution intro sentence

diff --git a/doc/zcrypt.mdwn b/doc/zcrypt.mdwn
index 25db9a13708122d5bebe2882fe0d3dd1ccf4e8d8..7451ed6458e7d25eb8313c2c03c3e26e63e77b2c 100644 (file)
--- a/doc/zcrypt.mdwn
+++ b/doc/zcrypt.mdwn
@@ -4,7 +4,7 @@ Zephyr at MIT doesn't support* limiting who can sub to a zephyr class, so if you
 
 ## Creating a `zcrypt`ed zephyr class
 
-The main requirement for a `zcrypt`ed zephyr class is to have a key and distribute it to all the users of the class. Typically, this is done by storing the key in AFS. You can set that up with:
+The main requirement for a `zcrypt`ed zephyr class is to distribute a key to all the intended users of the class. Typically, this is done by storing the key in AFS. You can set that up with:
 
     mkdir -p ~/Public/zcrypt/label/                     # Pick an arbitrary label for your class.
     fs sa ~/Public/zcrypt/label/ system:anyuser none    # Keep randoms from reading your key