minor fixes

Author: brownsarahm

_prepare/2022-09-21.md

@@ -1,6 +1,2 @@
 1. Read through the Grading Contract README and sample contracts. Start drafting your contract. Bring questions to class on Monday.
 1. Bring git questions or scenarios you want to be able to solve to class on Wednesday
-
-```{warning}
-the template contracts in the repo have an error in them; use the ones on the [course website](https://introcompsys.github.io/fall2022/syllabus/contract.html).
-```

notes/2022-09-21.md

@@ -524,7 +524,9 @@ don't do it you will have trouble participating in class
 ```{include} ../_practice/2022-09-21.md
 ```
 
-
+```{warning}
+the template contracts in the repo have an error in them; use the ones on the [course website](https://introcompsys.github.io/fall2022/syllabus/contract.html).
+```
 
 ## More Practice
 ```{include} ../_practice/2022-09-21.md