README.md: adjust capabilities section in config.json example

The format of the capabilities section in config.json was changed in the
runtime spec 1.0.0.rc5 (pulled in through PR opencontainers#1370). Update the example
in README.md correspondingly.

Also fix a small typo (though -> through).

Signed-off-by: Tobias Klauser <[email protected]>

Author: tklauser

README.md

@@ -145,11 +145,33 @@ Your process field in the `config.json` should look like this below with `"termi
                         "TERM=xterm"
                 ],
                 "cwd": "/",
-                "capabilities": [
-                        "CAP_AUDIT_WRITE",
-                        "CAP_KILL",
-                        "CAP_NET_BIND_SERVICE"
-                ],
+                "capabilities": {
+                        "bounding": [
+                                "CAP_AUDIT_WRITE",
+                                "CAP_KILL",
+                                "CAP_NET_BIND_SERVICE"
+                        ],
+                        "effective": [
+                                "CAP_AUDIT_WRITE",
+                                "CAP_KILL",
+                                "CAP_NET_BIND_SERVICE"
+                        ],
+                        "inheritable": [
+                                "CAP_AUDIT_WRITE",
+                                "CAP_KILL",
+                                "CAP_NET_BIND_SERVICE"
+                        ],
+                        "permitted": [
+                                "CAP_AUDIT_WRITE",
+                                "CAP_KILL",
+                                "CAP_NET_BIND_SERVICE"
+                        ],
+                        "ambient": [
+                                "CAP_AUDIT_WRITE",
+                                "CAP_KILL",
+                                "CAP_NET_BIND_SERVICE"
+                        ]
+                },
                 "rlimits": [
                         {
                                 "type": "RLIMIT_NOFILE",
@@ -161,7 +183,7 @@ Your process field in the `config.json` should look like this below with `"termi
         },
 ```
 
-Now we can go though the lifecycle operations in your shell.
+Now we can go through the lifecycle operations in your shell.
 
 
 ```bash