Apply suggestions from code review

Co-authored-by: Tim Gross <tgross@hashicorp.com>

website/content/docs/commands/alloc/signal.mdx

@@ -22,7 +22,7 @@ is optional and if omitted every task in the allocation will be signaled.
 
 Task name may also be specified using the `-task`  option rather than a command 
 argument. If task name is given with both an argument and the `-task` option, 
-preference is given to the latter.
+preference is given to the `-task` option.
 
 When ACLs are enabled, this command requires a token with the
 `alloc-lifecycle`, `read-job`, and `list-jobs` capabilities for the
@@ -58,8 +58,8 @@ $ nomad alloc signal -task redis eb17e557
 ```
 
 If task name is specified using both options, the command argument is ignored.
-The following will signal the redis task only, not the api task:
+The following will signal the "redis" task only, not the "api" task:
 
 ```shell-session
 $ nomad alloc signal -task redis eb17e557 api
-```
+```