diff --git a/README.md b/README.md
index 63e0bda..4b334fd 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,6 @@
 # Simple::Redis::Lock
 
-Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/simple/redis/lock`. To experiment with that code, run `bin/console` for an interactive prompt.
-
-TODO: Delete this and the text above, and describe your gem
+This gem implements a lock using Redis in 90 lines of code.
 
 ## Installation