Readme tweak

Author: mattpocock

README.md

@@ -59,9 +59,13 @@ Exercises are in the [`./exercises`](./exercises) folder. They're designed to be
 Each exercise follows a similar pattern:
 
 - Look at the file with the `*.code.ts` extension. This gives you the code we're going to be working through and trying to understand.
-- Read through the `*.exercise.ts` file. Read through the file, comment-by-comment, and follow the instructions by editing the file inline.
+- Read through the `*.exercise.ts` file. Read through the file, comment-by-comment, and follow the instructions by **editing the file inline**.
 - Wherever you see reference to `Solution #1`, check the `*.solutions.ts` file when you want to see the solution. **Make sure you check the solution before proceeding!** There's often crucial information there.
 
+Be careful to read through each part of the exercise carefully - if you skip over parts of them, it might get difficult to find your way back.
+
+Also, consider having the `*.exercise.ts` in one IDE panel and the `*.code.ts` in another. This will mean you don't have to scroll up and down too much.
+
 ### Emoji
 
 Exercises use emoji to express various different things: