Finished the HTTP and SSH related sections.

git-remote/README.md

@@ -60,10 +60,12 @@ An example of how to generate a key pair and view the public key is given in the
 
 ![gitlabssh.gif](./media/gitlabssh.gif)
 
-
 This contents has to be copied to the GitLab SSH Key management page, accessible in the left panel of the User Settings page which can be displayed using `Edit profile` in the menu below the user badge (upper left corner).
 
-The following screencast shows how to ![add an SSH key in GitLab](./media/gitlab-ssh.mp4)
+[This screencast](./media/gitlab-ssh.mp4) shows how to add an SSH key to GitLab
+
+The SSH private key must be present in the correct location on each machine (laptop, workstation) that will be used to access the GitLab repository. It is recommended to generate a key pair on each machine and to add each public key to GitLab. It avoids having multiple copies of a private key, and also allows to track which machine was used to access the repository.
+