Minor additions

Author: NotTheDr01ds

book/quick_tour.md

@@ -96,7 +96,7 @@ You may be familiar with the Linux/Unix `ps` command. It provides a list of all
 The traditional Unix `ps` only shows the current process and its parents by default. Nushell's implementation shows all of the processes on the system by default.
 :::
 
-What if we wanted to show the processes that were actively running? Just as we did with `ls` above, we can also work with the table that `ps` _outputs_:
+What if we wanted to just show the processes that are actively running? As with `ls` above, we can also work with the table that `ps` _outputs_:
 
 ```nu
 ps | where status == Running
@@ -148,6 +148,11 @@ The first three lines are the same commands we used in the second example above,
 5. `get name` returns the _value_ of the `name` field from the previous command, so `"Cargo.lock"` (a string). This is also a simple example of a [`cell-path`](./types_of_data.md#cell-paths) that can be used to navigate and isolate structured data.
 6. The last line uses the `$in` variable to reference the output of line 5. The result is a command that says _"Copy 'Cargo.lock' to the home directory"_
 
+::: tip
+[`get`](/commands/docs/get.md) and its counterpart [`select`](/commands/docs/select.md) are two of the most used filters in Nushell, but it might not be easy to
+spot the difference between them at first glance. When you're ready to start using them more extensively, see [Using `get` and `select`](./navigating_structured_data.md#using-get-and-select) for a guide.
+:::
+
 ## Getting Help
 
 Nushell provides an extensive, in-shell Help system. For example