Reorder some segments

CONTRIBUTING.md

@@ -1,5 +1,5 @@
 # Contributing
-## Guidelines
+## What do I check?
 ### Comments
 - Comments in the transcribed code should match 1:1 with the
 respective image.
@@ -8,19 +8,21 @@ respective image.
 
 ### Line breaks
 - Line breaks **with** `R0000` in column 1 should match 1:1.
-- Line breaks **without** `R0000` in column 1 should only contain 1
-to 2 blank lines in a row.
+- Line breaks **without** `R0000` in column 1 should contain only 1
+or 2 blank lines in a row.
+  - Lines with `R0000` in column 1 do not count towards this.
   - If there are more than 2 blank lines breaks, strip the extra
   line breaks.
-  - Lines with `R0000` in column 1 do not count towards this number.
   - In the source images, these were created by an unprinted digit
   in column 8. A 2 there forced a double space (single blank line)
   and a 3 forced a triple space (double blank line). Values 4-8 were
-  defined but never used. Read more about it in chrislgarry/Apollo-11/#159
+  defined but never used. Read more about it in
+  chrislgarry/Apollo-11/#159
 
 ## Formatting
-GitHub, [AGC Assembly][4] for Sublime Text 3 and [Language AGC][5] for Atom
- will ensure you're using the correct formatting automatically.
+GitHub, [AGC Assembly][4] for Sublime Text 3 and [Language AGC][5]
+for Atom will ensure you're using the correct formatting
+automatically.
 
 [AGC Assembly][3] for Visual Studio Code provides language-specific
 settings overrides to add to your user settings [here][6].