chore: amend code comments

core/src/cli/cli.ts

@@ -492,19 +492,19 @@ ${renderCommands(commands)}
     }
 
     // Parse the arguments again with the Command set, to fully validate, and to ensure boolean options are
-    // handled correctly
+    // handled correctly.
     argv = parseCliArgs({ stringArgs: args, command, cli: true })
 
     // Slice command name from the positional args
     argv._ = argv._.slice(command.getPath().length)
 
-    // Handle -h and --help flags, those are always valid and should return exit code 0.
+    // Handle -h and --help flags, those are always valid and should return exit code 0
     if (hasHelpFlag(argv)) {
       // Handle subcommand listings
       if (command instanceof CommandGroup) {
         const subCommandName = rest[0]
         if (subCommandName === undefined) {
-          // exit code 0 if sub-command is not specified and --help flag is passed, e.g. garden get --help
+          // Exit code 0 if sub-command is not specified and --help flag is passed, e.g. garden get --help
           return done(0, command.renderHelp())
         }
 
@@ -525,11 +525,11 @@ ${renderCommands(commands)}
     }
 
     // Handle incomplete subcommand listings.
-    // A complete sub-command won't be recognized as CommandGroup
+    // A complete sub-command won't be recognized as CommandGroup.
     if (command instanceof CommandGroup) {
       const subCommandName = rest[0]
       if (subCommandName === undefined) {
-        // exit code 0 if sub-command is not specific and --help flag is passed, e.g. garden get --help
+        // exit code 1 if sub-command is missing
         return done(1, command.renderHelp())
       }