Fixed typo in cfengine --help

`s/arount/around/` for build argument. Also added period to end of
sentence since the newline is ignored when rendering the help menu.
Last but not least, I changed the help string to multiline string (i.e.
`"""`) instead of using `\n` and escaping newline.

Signed-off-by: Lars Erik Wik <lars.erik.wik@northern.tech>

Author: larsewi

src/cfengine_cli/cfengine_wrapper/arg_parse.py

@@ -35,10 +35,10 @@ def parse_wrapper_args(subp: argparse._SubParsersAction):
         default=None,
     )
 
-    subp.add_parser("build", help="Build a policy set from a CFEngine Build project\n\
-A wrapper arount the cfbs `build`-function.")
-    sp = subp.add_parser("deploy", help="Deploy policy-set (masterfiles) to hub\n\
-A wrapper around the cf-remote `deploy`-function with some added niceties.")
+    subp.add_parser("build", help="""Build a policy set from a CFEngine Build project.
+A wrapper around the cfbs `build`-function.""")
+    sp = subp.add_parser("deploy", help="""Deploy policy-set (masterfiles) to hub.
+A wrapper around the cf-remote `deploy`-function with some added niceties.""")
     sp.add_argument("--hub", help="Hub(s) to deploy to", type=str)
     sp.add_argument(
         "masterfiles",