docs: fix bullet list and missing label filter
Some bullet lists didn't render as bullet-lists because
of a missing newline.
Also added missing "label" filter for `docker ps` and
slightly re-worded the header above the supported filters.
@@ -986,7 +986,7 @@ Using multiple filters will be handled as a *AND*; for example
`--filter container=588a23dac085 --filter event=start` will display events for container
container 588a23dac085 *AND* the event type is *start*
-Current filters:
+The currently supported filters are:
* container
* event
@@ -1233,7 +1233,8 @@ also reference by digest in `create`, `run`, and `rmi` commands, as well as the
The filtering flag (`-f` or `--filter`) format is of "key=value". If there is more
than one filter, then pass multiple flags (e.g., `--filter "foo=bar" --filter "bif=baz"`)
-Current filters:
+The currently supported filters are:
+
* dangling (boolean - true or false)
* label (`label=<key>` or `label=<key>=<value>`)
@@ -1584,10 +1585,12 @@ Running `docker ps --no-trunc` showing 2 linked containers.
The filtering flag (`-f` or `--filter)` format is a `key=value` pair. If there is more
than one filter, then pass multiple flags (e.g. `--filter "foo=bar" --filter "bif=baz"`)
-Current filters:
+The currently supported filters are:
+
* id (container's id)
+* label (`label=<key>` or `label=<key>=<value>`)
* name (container's name)
- * exited (int - the code of exited containers. Only useful with '--all')
+* exited (int - the code of exited containers. Only useful with `--all`)
* status (restarting|running|paused|exited)
##### Successfully exited containers
