Make the time format customizable

README.md

@@ -72,7 +72,7 @@ Disabling Tagging for a Stage
 -----------------------------
 Sometimes you do not want to enable deployment tagging for a particular
 stage. In that event, you can simply disable tagging by setting `no_deploytags`
-lik so:
+like so:
 
 ```ruby
 set :no_deploytags, true
@@ -86,6 +86,15 @@ are hooked to the Capistrano Deploytags tasks will also still run, but they may
 find their expectations are not met with regards to the cleanliness of the git
 tree.
 
+Customizing the Tag Format
+--------------------------
+You may override the time format in `config/deploy.rb`:
+
+```ruby
+set :deploytag_time_format, "%Y.%m.%d-%H%M%S-utc"
+```
+
+
 Viewing Deployment History
 --------------------------
 It's trivial to view the deployment history for a repo. From a checkout