Merge pull request #339 from charlieok/patch-1

tasks groups -> task groups

website/source/docs/commands/init.html.md.erb

@@ -9,7 +9,7 @@ description: >
 # Command: init
 
 The `init` command creates an example [job specification](/docs/jobspec/) in the current
-directory that demonstrates some common configurations for tasks, tasks groups,
+directory that demonstrates some common configurations for tasks, task groups,
 runtime constraints, and resource allocation.
 
 Please refer to the [jobspec](/docs/jobspec/) and [drivers](/docs/drivers/)