docs: Fix #1394 Misworded doc for command params args (#1400)

This fixes the docs for the command service, where it specifies that arguments that use the params keyword are comma separated, when they are actually space separated.

docs/guides/commands/intro.md

@@ -111,7 +111,7 @@ optional, give it a default value (i.e., `int num = 0`).
 
 #### Parameters with Spaces
 
-To accept a comma-separated list, set the parameter to `params Type[]`.
+To accept a space-separated list, set the parameter to `params Type[]`.
 
 Should a parameter include spaces, the parameter **must** be
 wrapped in quotes. For example, for a command with a parameter
@@ -218,4 +218,4 @@ Submodules are "modules" that reside within another one. Typically,
 submodules are used to create nested groups (although not required to
 create nested groups).
 
-[!code-csharp[Groups and Submodules](samples/intro/groups.cs)]
+[!code-csharp[Groups and Submodules](samples/intro/groups.cs)]