Apply suggestions from code review

Co-authored-by: Brandon Roberts <[email protected]>

projects/ngrx.io/content/guide/data/entity-collection-service.md

@@ -159,8 +159,8 @@ The demo application always calls these command methods with copies of the entit
 
 All _command methods_ return `void` or an `Observable`.
 A core principle of the _redux pattern_ is that _commands_ never return a value. They just _do things_ that have side-effects.
-Thus, the action is only fired when the command is invoked, and re-subscribing to a command's returned `Observable` will not
-create another action.
+Thus, the action is only dispatched when the command is invoked, and re-subscribing to a command's returned `Observable` will not
+dispatch another action.
 
 Rather than expect a result from the command,
 you subscribe to a _selector$_ property that reflects