Merge pull request egen#172 from SuberCyber/patch-1

Update task-hello-world.md

Author: Andrew Hartpence

docs/basics/task-hello-world.md

@@ -7,7 +7,7 @@ image_path: /images/build-output-hello-world.png
 The central concept of Concourse is to run tasks. You can run them directly from the command line as below, or from within pipeline jobs (as per every other section of the tutorial).
 
 ```
-git clone https://github.com/starkandwayne/concourse-tutorial
+git clone https://github.com/starkandwayne/concourse-tutorial.git
 cd concourse-tutorial/tutorials/basic/task-hello-world
 fly -t tutorial execute -c task_hello_world.yml
 ```
@@ -89,4 +89,4 @@ The reason that you can select any base `image` (or `image_resource` when [confi
 
 ## Miscellaneous
 
-If you're interested in creating new Docker images using Concourse (of course you are), then there is a future section [Create and Use Docker Images](/miscellaneous/docker-images).
+If you're interested in creating new Docker images using Concourse (of course you are), then there is a future section [Create and Use Docker Images](/miscellaneous/docker-images).