Move the run helper notes to bottom of section

README.md

@@ -249,10 +249,6 @@ command, saves the exit status and output into special global variables, and
 then returns with a `0` status code so you can continue to make assertions in
 your test case.
 
-__Note:__ The `run` helper executes its argument(s) in a subshell, so if
-writing tests against environmental side-effects like a variable's value
-being changed, these changes will not persist after `run` completes.
-
 For example, let's say you're testing that the `foo` command, when passed a
 nonexistent filename, exits with a `1` status code and prints an error message.
 
@@ -280,6 +276,10 @@ without any arguments prints usage information on the first line:
 }
 ```
 
+__Note:__ The `run` helper executes its argument(s) in a subshell, so if
+writing tests against environmental side-effects like a variable's value
+being changed, these changes will not persist after `run` completes.
+
 ### `load`: Share common code
 
 You may want to share common code across multiple test files. Bats includes a