Updating client and client docs for accuracy

Change-Id: I625f18fb90c324a24edc87fc6d61184300f35e28

barbicanclient/barbican_cli/secrets.py

@@ -21,7 +21,7 @@ from barbicanclient import secrets
 
 
 class DeleteSecret(command.Command):
-    """Delete an secret by providing its href."""
+    """Delete a secret by providing its URI."""
 
     def get_parser(self, prog_name):
         parser = super(DeleteSecret, self).get_parser(prog_name)

doc/source/cli_usage.rst

@@ -43,7 +43,7 @@ Subcommand actions that a user can take for secrets are:
 
 .. code-block:: bash
 
-    secret delete  Delete an secret by providing its href.
+    secret delete  Delete a secret by providing its URI.
     secret get     Retrieve a secret by providing its URI.
     secret list    List secrets.
     secret store   Store a secret in Barbican.