Change tagline on the home page

I've never liked "the mail indexer" as a tagline. "Just an email
system" might not be great either, but I think it's at least better.

1 files changed, 1 insertions, 1 deletions

diff --git a/index.mdwn b/index.mdwn
index 742f482..d73703a 100644
--- a/index.mdwn
+++ b/index.mdwn
@@ -1,5 +1,5 @@
 [[!img notmuch-logo.png alt="Notmuch logo" class="left"]]
-# Notmuch -- The mail indexer
+# Notmuch -- Just an email system
 
 ## Why Notmuch?