chapter 4: propose changes for what I take to be typos

Author: Andrew-Zipperer

chapter_04_philosophy_and_refactoring.asciidoc

@@ -716,7 +716,7 @@ NOTE: This is another distinction between FTs and unit tests;
     we use them as the primary tool for testing our UI,
     and the HTML that implements it.
 
-So, wanted an `<h1>`:
+So, we wanted an `<h1>`:
 
 [role="sourcecode"]
 .lists/templates/home.html (ch04l008)
@@ -916,7 +916,7 @@ but it should be enough to reassure ourselves that things are working.
 To get that functional test to green,
 we then enter into the lower-level unit tests cycle,
 where we put together all the moving parts required,
-add tests for all the edge cases.
+and add tests for all the edge cases.
 Any time we get to green & refactored at the unit tests level,
 we can pop back up to the FT level to guide us towards the
 next thing we need to work.